Article · Journal · 1992
Paul Arthur, Betty Kirkwood, David Anthony Ross, S.S Morris, John O. Gyapong, Andrew Tomkins and 1 more
The Lancet
Go to the publisher10.1016/0140-6736(92)91677-z
as printed: David Ross
as printed: Saul Morris
as printed: John Gyapong
as printed: Hutton Addy