Citation

Richards PG, Crockard HA. Br. Med. J. (Clin. Res. Ed.) 1986; 292(6530): 1239.

Copyright

(Copyright © 1986, British Medical Association, Publisher BMJ Publishing Group)

DOI

unavailable

PMID

3085793

PMCID

PMC1340246

Abstract

[Abstract unavailable]

Language: en