Citation

Zane DF, Preece MJ, Patterson PJ, Svenkerud EK. Tex. Med. 1991; 87(11): 63-65.

Affiliation

Epidemiology Division, Texas Department of Health, Austin.

Copyright

(Copyright © 1991, Texas Medical Assn)

DOI

unavailable

PMID

1574785

Abstract

Abstract unavailable