TY - BOOK AU - Covington, Tim R. AU - Covington,Timothy R. TI - Nonprescription drug therapy: guiding patient self-care SN - 1574390481 AV - RM671.A1 N66 1999 U1 - 615.58 21 PY - 2003/// CY - St. Louis, Mo. PB - Facts and Comparisons KW - Drugs, Nonprescription KW - Patient education KW - Self-care, Health ER -