Citation

MMWR Morb. Mortal. Wkly. Rep. 1993; 42(40): 777-9, 785.

Affiliation

Centers for Disease Control and Prevention.

Copyright

(Copyright © 1993, (in public domain), Publisher U.S. Centers for Disease Control and Prevention)

DOI

unavailable

PMID

8413163

Abstract

[Abstract unavailable]

Language: en