TY - BOOK ED - U.S. Preventive Services Task Force TI - Guide to clinical preventive services: An assessment of the effectiveness of 169 interventions : report of the U.S. Preventive Services Task Force SN - 0-683-08507-7 PY - 1989/// CY - Baltimore [etc.] PB - Williams & Wilkins KW - Medicine, Preventive KW - Handbooks, manuals, etc KW - Health promotion N1 - Includes bibliographical references ER -