1. Use and abuse of antibiotics in obstetric practice;Ledger,1993
2. 1998 Guidelines for treatment of sexually transmitted diseases;MMWR,1997
3. The top 200 drugs: Drugs dispensed most often in U.S. community pharmacies;Am Drug,1998
4. Erythromycin and clindamycin absorption and elimination in pregnant women;Philipson;Clin Pharmacol Ther,1976