Citation

Yates DW, Chambers H. Br. Med. J. (Clin. Res. Ed.) 1987; 294(6576): 901.

Copyright

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

DOI

unavailable

PMID

3105794

PMCID

PMC1245950

Abstract

[Abstract unavailable]

Language: en