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Article
HANLEY (James-A) : CAN. Division of Clinical Epidemiology. Royal Victoria Hospital. Montreal. PQ. ; Jean-Paul Collet ; CSIZMADI (Ilona) : CAN. Population Health and Information. Alberta Cancer Board. Calgary. AB. ; McGill University. Department of Epidemiology Biostatistics and Occupational Health. Montreal. PQ. CAN |[BDSP. Notice produite par INIST-CNRS OqnzR0x9. Diffusion soumise à autorisation]. A two-stage case-control design, in which exposure and outcome are determined for a large sample but covariates are measured on only a subsample, may be much less[...]
Article
Michael-S KRAMER ; Natalia BOGDANOVICH ; Beverley CHALMERS ; Jean-Paul Collet ; Viktor DOMBROVSKIY ; Thierry DUCRUET ; Irina DZIKOVICH ; Elena GLUCHANINA ; Elisabet HELSING ; Ellen-D HODNETT ; Tamara KOT ; Irina MEZEN ; Dimitri MKNUIK ; Lydia OVCHINIKOVA ; Zinaida SEVKOVSKAYA ; Stanley SHAPIRO ; George SHISHKO ; Anatoly USTINOVITCH ; Irina VANILOVICH ; Vyacheslav ZUBOVICH ; Department of Epidemiology and Biostatistics. McGill University Faculty of Medicine. Montreal. PQ. CAN ; Department of Maternal and Child Health. Belarussian Ministry of Health. Minsk. BLR ; Department of Pediatrics. McGill University Faculty of Medicine. Montreal. PQ. CAN ; Probit Study Group. INC |[BDSP. Notice produite par INIST uaxOCR0x. Diffusion soumise à autorisation]. Context Current evidence that breastfeeding is beneficial for infant and child health is based exclusively on observational studies. Potential sources of bias in such [...]
