Citation

Robertson LS, Pless IB. Br. Med. J. BMJ 2002; 324(7346): 1149-1152.

Affiliation

Montreal Children's Hospital, C538 2300 Tupper, Montreal QC H3H 1P3, Canada.

Copyright

(Copyright © 2002, BMJ Publishing Group)

DOI

unavailable

PMID

12003891

Abstract

unavailable.