TY  - BOOK
AU  - Patel, Bhogilal I.
TI  - Efficacy of oral polio vaccine (sabin trivalent)
U1  - 616.835 
PY  - 1977///
KW  - Microbiology
KW  - Poliomyelitis; Polioviruses; Poliomyelitis vaccines
N1  - Virology; Vaccines & Immunisation | Poliomyelitis
ER  -