Citation

Johnson SR, Fairclough JA. Br. Med. J. (Clin. Res. Ed.) 1987; 294(6582): 1259-1260.

Copyright

(Copyright © 1987, British Medical Association, Publisher BMJ Publishing Group)

DOI

unavailable

PMID

3109606

PMCID

PMC1246428

Abstract

[Abstract unavailable]

Language: en