Poliomyelitis--surveillance in India.
Sokhey
J
J
Department of Family Welfare, Nirman Bhawan, New Delhi.
D002675:Child, Preschool; D006801:Humans; D007194:India / Q000453:epidemiology; D007223:Infant; D011051:Poliomyelitis / Q000453:epidemiology* / Q000517:prevention & control