Word of the Day
Everything After Z
Try Our Apps
jansky's classification in Medicine
The classification of the blood groups of humans into I, II, III, and IV, now designated, respectively, as O, A, B, and AB.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.