[Poliomyelitis contagion, present conceptions and practical conclusions].
D001699:Biometry; D005306:Fertilization; D011051:Poliomyelitis / Q000453:epidemiology* / Q000706:statistics & numerical data*
POLIOMYELITIS/epidemiology and statistics
CONTAGION de la poliomyelite, conceptions actuelles et conclusions pratiques.