title: What happened to primum non nocere?
authors.affiliation: University of Chicago, Department of Pediatrics, Section of Pediatric Infectious Diseases, Chicago, IL 60637-1470, USA.
authors.forename: J B
authors.initials: JB
authors.lastname: Seal
authors.forename: R S
authors.initials: RS
authors.lastname: Daum
mesh_terms: D002648:Child; D002675:Child, Preschool; D017325:Hepatitis B Vaccines / Q000008:administration & dosage*; D006801:Humans; D007115:Immunization Schedule; D007223:Infant; D007231:Infant, Newborn; D010372:Pediatrics / Q000592:standards; D017410:Practice Guidelines as Topic; D011310:Preservatives, Pharmaceutical / Q000009:adverse effects* / Q000592:standards; D013849:Thimerosal / Q000009:adverse effects* / Q000592:standards; D014481:United States; D014611:Vaccination / Q000009:adverse effects / Q000592:standards*; D014612:Vaccines / Q000009:adverse effects* / Q000592:standards
chemical_list: D017325:Hepatitis B Vaccines; D011310:Preservatives, Pharmaceutical; D014612:Vaccines; D013849:Thimerosal