524,517 IMMUNOLOGY Immunology in obstetrics and gynaecology. Proceedings of the First International Congress Padua,7-9 June, 1973.Ed.s A.Centaro and N. Carretti, Co-editor G.M.Addison Amsterdam 1974- Ercerpta Medicaj New York, American Elsevier Publishing Co.Inc., 8° s. nib. 8, 320, nib. 1, ilustr. Excerpta Medica, International Congress Series no 327