Physical description for original version: iv, 60 p. : 26 cm
書誌注記
Includes bibliographical references (p. 56-60)
原資料等に関する注記
原資料の出版事項: Washington, D.C. : Health Program, Office of Technology Assessment, Congress of the United States : For sale by the Supt. of Docs., U.S. G.P.O., [1989]