TY - BOOK AU - Norton, Peter G. TI - Primary care research: traditional and innovative approaches SN - 0803938705 U1 - 362.1/072 20 PY - 1991/// CY - Newbury Park, CA PB - Sage Publications KW - Primary care (Medicine) KW - Family Practice KW - Primary health care KW - Research KW - methods N1 - Includes bibliographical references and index ER -