Citation

Frier BM. Br. Med. J. BMJ 1992; 305(6864): 1238-1239.

Comment On:

BMJ 1992;305(6864):1265

Comment In:

BMJ 1993;306(6869):65-6

Erratum On

BMJ 1993;306(6874):350

Copyright

(Copyright © 1992, BMJ Publishing Group)

DOI

unavailable

PMID

1477560

PMCID

PMC1883769

Abstract

[Abstract unavailable]

Language: en