title: The enigma of alternative childhood immunization schedules: what are the questions?
authors: Douglas J
authors: DJ
authors: Opel
authors: Edgar K
authors: EK
authors: Marcuse
mesh_terms: D005260:Female; D006296:Health Services / Q000706:statistics & numerical data*; D006801:Humans; D007115:Immunization Schedule; D008297:Male; D008329:Managed Care Programs / Q000706:statistics & numerical data*; D014611:Vaccination / Q000706:statistics & numerical data*