Baltimore: Johns Hopkins, 1910. First Edition. unbound. Tables. 8 pages (pp. 63-70)FROM: Bulletin of Johns Hopkins Hospital, vol. 21, no. 228. Tall 4to, modern wrappers. Baltimore, 1910.
Moss showed that the blood of all individuals could be placed into one of four groups. His classification has been the one most commonly used until recently. GM 900.