Physical description for original version: iii, 29 p. : 23 cm
原資料等に関する注記
原資料の出版事項: Atlanta, Ga. ; Washington, D.C. : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control : For sale by the Supt. of Docs., U.S. G.P.O., [1983]