Citation

Christoffel KK. Inj. Prev. 2002; 8(3): 177-180.

Affiliation

Pediatrics and Preventive Medicine, Feinberg Medical School at Northwestern University and Children's Memorial Institute for Education and Research. kkauferchristoffel@northwestern.edu

Copyright

(Copyright © 2002, BMJ Publishing Group)

DOI

unavailable

PMID

12226112

PMCID

PMC1730885

Abstract

unavailable.