Citation

Br. Med. J. BMJ 1991; 303(6814): 1401-1402.

Comment On:

BMJ 1991;303(6810):1082-3.

Copyright

(Copyright © 1991, BMJ Publishing Group)

DOI

unavailable

PMID

1760614

PMCID

PMC1671613

Abstract

[Abstract unavailable]

Language: en