一般注記"The material in this report was developed by the National Institute for Occupational Safety and Health in collaboration with the Center for Infectious Diseases, Centers for Disease Control"--P. [2] of cover
Shipping list no.: 89-499-P
"February 1989."
Physical description for original version: 46 p. ; 28 cm
書誌注記Includes bibliographical references (p. 45-46)
原資料等に関する注記原資料の出版事項: Atlanta, Ga. ; Washington, DC : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control : Supt. of Docs., U.S. G.P.O. [distributor, 1989]
SUPTDOC番号: HE 20.7108: H 88
GPO管理番号: 499-F-3