Physical description for original version: v, 44 p. : 28 cm
書誌注記
Bibliography: p. 34
原資料等に関する注記
原資料の出版事項: Hyattsville, Md. ; Washington : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Center for Health Statistics : [Supt. of Docs.], U.S. G.P.O. [distributor, 1989]