Citation

Jackson RH, Craft AW, Lawson GR, Beattie AB, Sibert JR. Br. Med. J. (Clin. Res. Ed.) 1983; 287(6403): 1468.

Copyright

(Copyright © 1983, British Medical Association, Publisher BMJ Publishing Group)

DOI

10.1136/bmj.287.6403.1468-a

PMID

unavailable

Abstract

[Abstract unavailable]