Delayed stool specimen collection during the early and late stages of the Polio outbreak increase the risk of negative Wild Poliovirus laboratory results in some districts in Indonesia

Tinjauan kegiatan surveilans acute flaccid paralysis dalam menunjang program eradikasi poliomyelitis di Propinsi Jawa Barat tahun 1996-1997

I can jump puddles

This is the grass

Menangkal virus polio mutan dengan PIN