Citation

Main JA, Main PG. Br. Med. J. BMJ 1991; 303(6794): 124-125.

Comment On:

BMJ 1991;302(6789):1378-9.

Copyright

(Copyright © 1991, BMJ Publishing Group)

DOI

unavailable

PMID

1859997

PMCID

PMC1670662

Abstract

[Abstract unavailable]

Language: en