A.O.B. SYSTEM

mackemdave | 15:50 Tue 25th Nov 2003 | Body & Soul

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what in the medical world was first classified into the A.O.B. system in 1902

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I don't know about 1902, but AOB sounds like blood.

Karl Landsteiner, an American immunologist, did indeed - as Bernardo suggests - discover the different blood-types in 1901/2. For further information, click http://www.pbs.org/wnet/redgold/innovators/bio_lan
dsteiner.html

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