National antithrombin investigators program antithrombin deficiency - basis for therapy : proceedings of a symposium held October 21-23, 1995 in Phoenix, AZ. Philadelphia : Saunders, 1995. 74 s. Seminars in Hematology : A topical journal on subjects on current importance in clinical hematology and related fields, devoted to making the present status of such topics and the results of new investigations readily available to the practicing physician Suppl. 2.