Citation

Hart WA. Br. Med. J. BMJ 1993; 307(6907): 805.

Comment On:

BMJ 1993;307(6901):399-400

Comment In:

BMJ 1993;307(6915):1355

Copyright

(Copyright © 1993, BMJ Publishing Group)

DOI

unavailable

PMID

8219977

PMCID

PMC1696468

Abstract

[Abstract unavailable]

Language: en