1. Approximately 1000 Nigerian children between the age of 6 months and 2 years were given Enders ‘B’ meásles vaccine, combined with gamma globulin in all except 120 children. A control group of similar numbers received gamma globulin alone plus inert material. 2. In a preliminary village study the ...
Research Assistant
AI chat, annotations, notes & similar papers
No comments yet
Be the first to share your thoughts!