521,411 REFERENCE Reference values in human chemistry. Effects of analytical and individual variations,food intake,drugs and toxics, applications in preventive medicine. Proceedings of the Second International Colloquiumn" Automatisation and prospective Biology",Pont a Mousson,October 10-14,1972. Ed. G.Siest. Basel 1973 S.Karger 8° s. XII,347, ilustr.