Physical description for original version: vi, 147 p. : 28 cm
書誌注記
Bibliography: p. 143-147
原資料等に関する注記
原資料の出版事項: Rockville, Md. ; [Springfield, VA : Hospital Cost and Utilization Project, National Center for Health Services Research, U.S. Dept. of Health and Human Services : Available from National Technical Information Service], 1984