Physical description for original version: 39 p. ; 28 cm
原資料等に関する注記
原資料の出版事項: Bethesda, Md. ; Washington, D.C. : U.S. Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Library of Medicine, Reference Section : Supt. of Docs., U.S. G.P.O. [distributor, 1989]