Citation

McNicol MW, Smith R. Br. Med. J. BMJ 1964; 1(5374): 19-21.

Copyright

(Copyright © 1964, BMJ Publishing Group)

DOI

unavailable

PMID

unavailable

Abstract

unavailable]

Language: en

Full text available from PubMed Central:

http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1813045