title: The need for international surveillance of biologicals: distribution, use, and efficacy.
mesh_terms: D001688:Biological Products / Q000592:standards; D004345:Drug Industry; D006801:Humans; D007391:International Cooperation; D011159:Population Surveillance; D011786:Quality Control; D014612:Vaccines
chemical_list: D001688:Biological Products; D014612:Vaccines