Citation

Br. Med. J. BMJ 1989; 298(6681): 1179-1180.

Comment On:

BMJ 1989;298(6677):879-81.

Copyright

(Copyright © 1989, BMJ Publishing Group)

DOI

unavailable

PMID

2500185

PMCID

PMC1836384

Abstract

[Abstract unavailable]

Language: en