Overview of clinical trials of influenza vaccines, 1976.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005069:Evaluation Studies as Topic; D006801:Humans; D007223:Infant; D009980:Influenza A virus; D007252:Influenza Vaccines / Q000494:pharmacology*; D008875:Middle Aged; D009313:National Health Programs; D014481:United States
D007252:Influenza Vaccines