Ian Aird, H. H. Bentall, J. A. Mehigan, J. A. Fraser Roberts
Aird I, Bentall H H, Mehigan J A, Roberts J A F.
The Blood Groups in Relation to Peptic Ulceration and Carcinoma of Colon, Rectum, Breast, and Bronchus
Br Med J 1954; 2 :315
doi:10.1136/bmj.2.4883.315