Physical description for original version: 68 p. : 28 cm
書誌注記
Includes bibliographical references
原資料等に関する注記
原資料の出版事項: [Washington, D.C.?] : U.S. Dept. of Health and Human Services, Public Health Services, Health Resources and Services Admninstration [sic], 1990 [i.e. 1991]