Washington, D.C. : U.S. Dept. of Health, Education, and Welfare, Public Health Service : For sale by the Supt. of Docs., U.S. G.P.O.,
Relação
Also available online.
Vital and health statistics
Direitos
Items in this record are available as Public Domain, Google-digitized. View access and use profile at http://www.hathitrust.org/access_use#pd-google. Please see individual items for rights and use statements.