[Bethesda, Md.] : U.S. Department of Health and Human Services, Public Health Service, National Institutes of Health, National Institute of General Medical Sciences, [1990]
Language
English
Description
62 pages : illustrations ; 23 cm.
Call Number
QH581.2 .P55 1990
GPO Item No.
497-C-1
Note
"Written by Maya Pines (1979), revised by Anne A. Oplinger (1989)" -- T.p. verso. "Revised July 1990"--P.4 of cover.
