Citation

Critchley JA, Proudfoot AT, Boyd SG, Campbell IW, Brown NS, Gordon A. Br. Med. J. (Clin. Res. Ed.) 1984; 289(6439): 225.

Copyright

(Copyright © 1984, British Medical Association, Publisher BMJ Publishing Group)

DOI

unavailable

PMID

6430415

PMCID

PMC1442293

Abstract

[Abstract unavailable]

Language: en