Incoming tide of poliomyelitis.
D001699:Biometry; D007918:Leprosy / Q000453:epidemiology* / Q000706:statistics & numerical data*; D011051:Poliomyelitis / Q000453:epidemiology* / Q000706:statistics & numerical data*
LEPROSY/epidemiology and statistics; POLIOMYELITIS/epidemiology and statistics