Source:
American journal of health-system pharmacy : AJHP : official journal of the American Society of Health-System Pharmacists [Am J Health Syst Pharm] 1999 Aug 15; Vol. 56 (16), pp. 1630-8; Publisher: Oxford University Press Country of Publication: England NLM ID: 9503023 Publication Model: Print Cited Medium: Print ISSN: 1079-2082