00655nas a2200253   4500000000100000008004100001260001600042653001500058653001200073653001800085653001500103653001600118653002500134653002200159653001100181653001200192653002300204653002300227100001700250245010100267300001100368490000800379022001400387       1972                            d  c1972 May 2510aAlcoholism10aAnimals10aDown Syndrome10aHaplorhini10aHepatitis B10aHepatitis B Antigens10aHepatitis B virus10aHumans10aleprosy10aLeukemia, Lymphoid10aModels, Biological1 aBlumberg B S00aGenetic and environmental effects on disease: on "association" in the study of disease etiology.  a152-620 v197  a0077-8923