Citation

Baker EL. J. R. Soc. Med. 1991; 84(7): 418-422.

Affiliation

Public Health Practice Program Office, Centers for Disease Control, Atlanta, GA 30333.

Copyright

(Copyright © 1991, Royal Society of Medicine)

DOI

unavailable

PMID

1865450

PMCID

PMC1293334

Abstract

[Abstract unavailable]

Language: en