Rotary vs. polio.
Loomis
Carol J
CJ
D002675:Child, Preschool; D003132:Commerce; D003906:Developing Countries; D005260:Female; D005381:Financing, Organized; D006801:Humans; D017589:Immunization Programs / Q000191:economics*; D007223:Infant; D007391:International Cooperation; D008297:Male; D009938:Organizations; D011051:Poliomyelitis / Q000517:prevention & control*; D011055:Poliovirus Vaccine, Oral / Q000008:administration & dosage* / Q000191:economics
D011055:Poliovirus Vaccine, Oral