TY - BOOK AU - Ballweg,Ruth AU - Stolberg,Sherry AU - Sullivan,Edward M. TI - Physician assistant: a guide to clinical practice SN - 0721600174 U1 - W 21.5 21 PY - 2003/// CY - Philadelphia, Pa. PB - Saunders/Elsevier Science KW - Physicians' assistants KW - Clinical competence KW - Physician Assistants KW - United States KW - Clinical Competence N1 - Includes bibliographical references and index ER -