title: Clarification: Expiration of multi-dose vials.
mesh_terms: D003140:Communicable Disease Control / Q000331:legislation & jurisprudence*; D004304:Dosage Forms; D004340:Drug Contamination; D004349:Drug Packaging; D007591:Joint Commission on Accreditation of Healthcare Organizations; D008370:Manuals as Topic; D017744:Medical Waste Disposal / Q000592:standards; D013997:Time Factors; D014481:United States
chemical_list: D004304:Dosage Forms; D017744:Medical Waste Disposal