Childhood vaccines: the R&D factor.
Cohen
J
J
D035843:Biomedical Research; D002648:Child; D002651:Child Advocacy; D004345:Drug Industry / Q000191:economics*; D035082:Federal Government; D006801:Humans; D008457:Measles / Q000453:epidemiology / Q000401:mortality / Q000517:prevention & control; D011057:Politics; D012106:Research / Q000191:economics; D014481:United States / Q000453:epidemiology; D014612:Vaccines / Q000191:economics*
D014612:Vaccines