OPENING ADDRESS AND KEY NOTE SPEAKER

• RADIATION RISKS IN PERSPECTIVE : RADIO-INDUCED CANCER AMONG CANCER RISKS
  Maurice TUBIANA (France)
• CONTROL OF LOW LEVEL RADIATION EXPOSURE : TIME FOR A CHANGE ?
  Roger CLARKE (ICPR)
• 
  Jean COURSAGET & Pierre PELLERIN (France)
• 
  Monica GUSTAFSSON (I.A.E.A.)
• RISK ESTIMATES FOR RADIATION INDUCED CANCER AND THEIR EPIDEMIOLOGICAL BASIS
  A.M. KELLERER (Germany)
• GENOMIC INSTABILITY AFTER LOW DOSE IDDADIATION : RELATIONSHIP TO CELL STRESS AND IMPLICATIONS FOR RADIATION PROTECTION
  Carmel MOTHERSHILL & Colin SEYMOUR (Ireland)
• MOLECULAR MECHANISMS OF RADIATION CARCINOGENESIS AND THE LINEAR, NON-THRESHOLD DOSE RESPOND MODEL OF RADIATION RISK ESTIMATION
  K.R.TROTT & M. ROSEMANN (U.K / Germany)
• SYNTHESIS AND CONCLUSION
  Roland MASSE (France)

MODELS AND CONTROVERSIES IN RADIATION CARCINOGENESIS

• INFLUENCE ON LIFE SPAN AND IMMUNE SYSTEM IN MICE EXPOSED TO VERY LOW DOSES OF IONIZING RADIATION
  COURTADE M, CARATERO A., PLANEL H., BONNET L., PIPY B., CARATERO C. (France)
• CANCER RISK AT LOW DOSES OF ALPHA AND BETA RADIATION
  DUPORT Philippe (Canada)
• BIOLOGICAL EFFECT OF K-EVENTS INDUCED BY RADIATIONS
  CHETIOUI, A., TOUATI, A., ABEL, F. L'HOIR, A., POLITIS, M.F., BAYARD, B., HERVE DU PENHOAT, M.A., CHAMPION, C., BAILLY, I.,SABATIER, L., SAGE, E (France)
• MODELING RADIOADAPTIVE RESPONSE WITH THE RANDOM COINCIDENCE MODEL
  WEISSENBOEK, R.H., PFANDLER, S. FLECK, Carl M. (Austria)

CHERNOBYL EFFECTS

• THE PSYCHOLOGICAL PROBLEMS OF THE SOCIAL ADAPTATION OF CHERNOBYL NUCLEAR POWER STATION ACCIDENT RECOVERY WORKERS
  ALIEVA N.A.,CHUGUNOVA L.N.,BOGOSLOVSKY M.MNIKIFOROV A.M., CHEPRASOV V.Ju., (Russia)
• THE INFLUENCE OF EXTERNAL AND INTERNAL CHRONIC EXPOSURE IN LOW DOSES ON THE ANIMAL'S ORGANISM KEPT IN CHERNOBYL EXCLUSION ZONE
  ALESINA, Marina (Ukraine)
• THE PREVENTION AND CORRECTION OF RADIATION INDUCED DISTURBANCES IN EXPERIMENTAL ANIMAL'S ORGANISM UNDER CONDITIONS OF CHRONICAL IRRADIATION IN LOW DOSES
  ALESINA, Marina, ARKHIPOV, N.P., KARPENKO, N.A., BOGDANOVA, T.I., MISHUNINA, T.M., OVSJANNIKOVA, L.M., GUBANOVA, A.G. (Ukraine)
• MEDICAL PROBLEMS OF CHERNOBYL NUCLEAR POWER STATION AND "SHELTER"
  BEBESHKO V.,BAZYKA, Dimitry, KHOMAZIUK, I.,LIASHENKO, L., (Ukraine)
• SOME ASPECTS OF HEALTH EFFECTS OF LOW LEVEL DOSES OF RADIATION IN CONSEQUENCE OF AN ACCIDENT AT THE CHERNOBYL NUCLEAR POWER PLANT.
  BOMKO, Elena, ROMANENKO, Anatoly (Ukraine)

RADON AND MINING

• IS RESIDENTIAL RADON DANGEROUS ?
  BECKER Klaus (Allemagne)
• LUNG CANCER RISK AT LOW EXPOSURES AMONG CZECH MINERS
  TOMASEK Ladislav, HERIBANOVA Alena (Rep Tch�que)
• LUNG CANCER INDUCTION IN RATS AFTER EXPOSURE TO RADON PROGENY : THE COMPLEX INTERPLAY BETWEEN CUMULATIVE EXPOSURE AND EXPOSURE RATE
  MONCHAUX Georges, MORLIER Jean Paul (France)

NATURAL RADIATION

• ESTIMATION OF SOIL-TO-PLANT CONCENTRATION RATIO IN ELEVATED NATURAL RADIATION AREAS OF IRAN
  AGHAMIRI, Seyed Mahmoud R SEAWARD Mark, R., D.,BEITOLLAHI, M.,(Iran)
• VARIATIONS IN NATURAL BACKGROUND GAMMA IRRADIATION THROUGHOUT SPAIN
  SUAREZ MAHOU, E.,FERNANDEZ AMIGOT, J.A.,GARCIA POMAR, D.,BOTAS MEDINA, J ., (Spain)
• HEALTH STATUS OF EXPOSED WORKERS IN AN INSTITUTE OF NUCLEAR RESEARCH
  POPESCU FeliciaPAUNESCU GeorgetaANDREI , N. , (Rumania)
• DOSE ESTIMATE AND RISK ASSESSMENT DUE TO THE INGESTION OF 226RA AND 222RN IN DRINKING WATER SUPPLIES OF SAO PAULO STATE, BRAZIL
  De OLIVEIRA Joselene, PACI MAZZILLI Barbara, De OLIVEIRA SAMPA Maria Helena, BAMBALAS Edmildon (Brazil)
  
• HOW CAN EXPOSURE TO INDOOR RADON BE REDUCED?
  AGHAMIRI Seyed Mahmoud R.SEAWARD Mark R. D., (Iran/UK)

LOW DOSES RISKS

• LOW DOSES RADIATION RISK
  LAPP R.E. (USA)
• VARIATION OF THE AIR CREW EXPOSURE TO COSMIC RADIATION
  SPURNY Frantisek, MALUSEK Alexander(Rep. Tch�que)
• EFFECTS OF LOW DOSE NEUTRONS APPLIED AT A VERY LOW DOSE RATE ON HUMAN MELANOMA CELLS.
  DIONET, C.,TCHIRKOV, A.,ALARD , J-P.,ARNOLD , J.,DHERMAIN , J.,RAPP , M.,BODEZ, V.,TAMAIN J-C., MONBEL, I.,MALET, P.,KWIATOWSKI,F.,DONNARIEIX, D.,VEYRE, A.,VERRELLE, P.(France)
• THE EFFECT OF LOW-DOSE WHOLE BODY IRRADIATION ON THE GROWTH OF SARCOMA-180 SOLID TUMOR IN MOUSE
  KIM, YEON-SIL, YOON S-C.(South Korea)
• LOW DOSE RADIATION AS ALTERNATIVE THERAPY FOR CHRONIC ILLNESS
  ERICKSON, BARBARA (USA)
• HEREDITARY EFFECTS IN OFFSPRINGS OF THE SECOND GENERATION AFTER IRRADIATION OF BOTH PARENTS : EXPERIMENTALS STUDIES
  NEYFYODOVA,Irina, NEYFYODOV, I.,PALYGA G.P(Russia)

MOLECULAR BIOLOGICAL MECHANISMS

• FURTHER INVESTIGATIONS OF THE VALIDITY OF MINISATELLITES AS A NEW TOOL TO MONITOR LOW DOSE RADIATION EXPOSURE ?
  LE GUEN B., LIVSHITS L.A., MALYARCHUK S., GLUKYANOVA E.M., ANTIPKIN Y.G., ARABSKAYA L., PKRAVCHENKO S.A., MATSUKA G.H., PETIT E., GIRAUDEAU, F., GOURMELON P., VERGNAUD G.(France)
• LYMPHOCYTE RESPONSE IN HUMAN POPULATION AND ITS ANTIOXIDANT PROTECTION AGAINST LOW DOSES OF IONIZING RADIATION
  KOTELES G., J.BOTJOR I.,BOGNAR G.OTOS M. ,(Hungaria)
• MOLECULAR CELLULAR BIOLOGY, EPIDEMIOLOGY, AND OCCUPATIONAL RADIATION EXPOSURE LIMITS
  POLLYCOVE, Myron, FEINENDEGEN, Ludwig, E.,(USA)
• UKRAINIAN NUCLEAR WORKERS: IMMUNE FUNCTION UNDER LOW-DOSE EXPOSURE
  BAZYKA, Dimitry,BELIAEVA, Nadezhda,BRUSLOVA, Catherine,SUSHKO, Victor,CHUMAK, Anatoly,(Ukraine)
• BIOLOGICAL RESPONSES AFTER LOW DOSE FROM TECHNETIUM 99m LABELLED RADIOPHARMACEUTICALS
  JACQUET Nelly, GUIRAUD-VITAUX Fran�oise ,PETIET Anne, VOISIN Philippe, COLAS-LINHART Nicole.(France)
• TO MECHANISM OF THE GAMMA-RADIATION LOW DOSE ACTION CONNECTED WITH THE ADAPTIVE RESPONSE FORMING.
  AKHMATULLINA, N.B.,LEONARD, A., ISKANDAROVA, K.A.,TCHEREDNITCHENKO, O.G.(Belgique)
• RADIATION INDUCED PROTEINS AS ATEST FOR SPECIFIC RADIATION DAMAGE
  MARINOVA T., Z.,GEORGIEVA. R.,ROUPOVA, I.,(Bulgarie)
• THE COMBINED INFLUENCE OF CS AND HEAVY METALS AT THE CELL'S VIABLE IN VITRO
  NABOKA, M.V.LAVRENCHUK, G.Y.HALCHINSKY L.Y.(Ukraine)
• RADIO-ADAPTATIVE SURVIVAL RESPONSE IN MICE - SUPPRESSION OF P53 ACCUMULATION AFTER X-IRRADIATION BY SMALL DOSE PRE-IRRADIATION IN C57BL/6 MICE
  YONEZAWA, Morio, OHNISHI, Takeshi,OHNISHI, Ken, MISONOH, Jun(Japon)

EPIDEMIOLOGICAL DATA

• CARCINOGENIC EFFECTS OF VERY LOW DOSES RADIATION DOSES - AN EPISTEMOLOGICALLY UNSOLVED PROBLEM
  WALLINDER Gunnar(Sweden)
• ANALYSES OF THE DOSE EXPOSURE OF THE PERSONNEL OF NUCLEAR POWER PLANT " KOZLODUI " FOR THE PERIOD 1987-1997
  CHRISTOVA, M., DIMITROV, P., SHOPOV, N., PERIKLIEVA, M., ALEKSIEV, A., VALCHEV, G.,
• STUDIES ON EPIDEMIOLOGY OF CHROMOSOME ABERRATIONS INDUCED IN HUMAN LYMPHOCYTES FOR INDICATING CONTAMINATION OF RADIATION AND RADIOMIMETIC CHEMICAL AGENTS
  < QUE, T., NGUYEN, H.V, PHONG, P.B.,(Viet Nam)
• RANDOM COINCIDENCE - THE CONNECTION BETWEEN EXPERIMENTS ON RADIATION ADAPTION AND EPIDEMIOLOGICAL DATA ?
  FLECK, Carl M., PFANDLER, S.,(Austria)

EFFECTS ON THYROID DISEASES

• THYROID NEOPLASIA IN MURES COUNTY AFTER CHERNOBYL ACCIDENT : 10 YEARS FOLLOW UP
  SALAGEAN S.,BURKHARDT, R.,MOCSY. I.,(Rumania)
• PHYSIOLOGICAL FACTORS IN THE ANALYSIS OF RADIATION-INDUCED THYROID CANCER
  PARSHKOV, V., SOKOLOV, V., TSYB, A., BARNES, J.(Russia)
• AN ASSESSMENT OF OCCUPATIONAL EXPOSURE TO I-131
  E. S. NATERA, D. NAPENAS, E.B. DURAN(Philippines)
• LOW LEVEL IRRADIATION AND THYROID DISEASES EPIDEMIOLOGY IN LITHUANIA
  NEDVECKAITE T.,FILISTOVIC W.,KRASAUSKIENE, A.,DIDLAUSKAS, V.,DLAPIKIENE, A.,(Lituania)

LNT CONTROVERSIS

• LNT-HYPOTHESIS
  ROTH Eike(Allemagne)
• ORGANIZING AND APPLYING THE EXTENSIVE DATA THAT CONTRADICT THE LNT
  MUCKERHEIDE James B.,(USA)
• REPAIR OF MULTIPLE BREAK CHROMOSOMAL DAMAGE - ITS IMPACT ON THE USE OF THE LINEAR QUADRATIC MODEL FOR LOW DOSE AND DOSE RATES
  < LEONARD Bobby, E.,(USA)
• RESOLVING THE CONTREVERSY ON THE BENEFICIAL EFFECTS OF IONIZING RADIATION
  CUTTLER Jerry M.,(Canada)
• THE EFFECTS OF LOW AND VERY LOW DOSES OF IONISING RADIATION ON HUMANA HEALTH
  NOUAILHETAS, Y.(Brazil)

NEUTRON AND X-RAYS EFFECTS

• PERSISTENT DEMISE IN PROGENY OF COLONIES OF V-79 CELLS AFTER X-IRRADIATION
  JAMALI, M., FARSHAD, A., A.,TROTT, M., D.,.(Iran/UK)
• CANCER RISK ASSESSMENT AMONG MEDICAL X-RAY WORKERS IN CHINA
  WANG J., X.LI., B., XGAO Z., W.XU, J.,ZHANG, J., Y.AOYAMA, T.SUGAHARA, T.(China)
• LONG-TERM EFFECTS IN THE LYMPHO-HEMATOPOIETIC REPOPULATING CELLS OF THE MOUSE AFTER IRRADIATION WITH X-RAYS DURING DIFFERENT STAGES OF DEVELOPMENT
  < GRANDE, Teresa, VARAS Florencio, BUEREN Juan A.(Spain)
• COMBINED EFFECTS OF ATOMIC RADIATION AND OTHER AGENTS IN HIROSHIMA AND NAGASAKI
  NISHIWAKI, Y.(Japan)

WORKING CONDITIONS

• THE EXPERIENCE IN PRACTICING THE RADIATION PROTECTION MEASURES BASED ON THE ICPR RECOMMENDATION IN TAIWAN
  LUAN Yan-chiCHEN, W.C.,WANG, W.K.,(Taiwan)
• RADIATION HYGIENE WORKING CONDITIONS IN NUCLEAR POWER PLANT " KOZLODUI "
  SHOPOV, N.,DIMITROV, P.,CHRISTOVA, M.,(Bulgaria)
• BIOMONITORING OF RADIATION WORKERS IN BELGIUM : RESULTS OF LARGE SCALE CYTOGENETIC STUDIES USING THE MICRONUCLEUS CENTOMERE ASSAY
  THIERENS, H.,VRAL, A.,AOUSALAH, B., BARBE, M.,MORTHIER, R.,DE RIDDER, L.,(Belgium)
• CYTOGENIC EFFECTS STUDY OF IN VITRO IRRADIATION IN PERIPHERAL BLOOD LYMPHOCYTES OF PERSONS WORKING WITH IONIZING RADIATION
  HADJIDEKOVA, V.,BULANOV, M.,BENOVA, D.,GEORGIEVA, R.,HRISTOVA, T.,NIKOLOVA(Bulgaria)
• CONVERSION COEFFICIENTS FOR EXTERNAL EXPOSURE FROM RADIONUCLIDES IN THE ATMOSPHERE
  LEE, Jai Ki CHANG Jai-Kwon(South Korea)