Citation

Br. Med. J. BMJ 1993; 306(6874): 395-396.

Comment On:

BMJ 1992;305(6866):1375-6.

Comment In:

BMJ 1993;306(6881):859.

Copyright

(Copyright © 1993, BMJ Publishing Group)

DOI

unavailable

PMID

8461705

PMCID

PMC1676431

Abstract

[Abstract unavailable]

Language: en