Antihistaminic or antidegranulating activity of pregnancy serumJ. Alley hnmunol (Paris) 1988;20:236-40 (in French). Medline 120. Morel E Surla A, Vignais PV. Purification of human placenta diamine oxidase. Biochem Biophys Res Commun 1992;187:178-86. 121. Lindberg S. 14-C-histamine elimination from the b