TY - BOOK AU - Ballweg, Ruth. AU - Stolberg, Sherry. AU - Sullivan, Edward M., CN - R697.P45 CN - R697.P45 CY - Philadelphia : DA - c1999. ET - 2nd ed. ID - 211936 KW - Physicians' assistants. KW - Clinical competence. KW - Physician Assistants. PB - W.B. Saunders Co., PP - Philadelphia : PY - c1999. SN - 0721676537 T1 - Physician assistant :guide to clinical practice / TI - Physician assistant :guide to clinical practice / ER -