Citation

Br. Med. J. BMJ 1989; 299(6692): 178-179.

Comment On:

BMJ 1989;298(6687):1572-3.

Copyright

(Copyright © 1989, BMJ Publishing Group)

DOI

unavailable

PMID

2504362

PMCID

PMC1837076

Abstract

[Abstract unavailable]

Language: en