Kreig, Margaret. Black market medicine Margaret Kreig. - Englewood Cliffs, N.J. Prentice-Hall [1967] - x, 304 p. illus. 920921 LCCN: 67018920 //r892 Subjects--Topical Terms: Drug adulterationPharmaceutical Industry LC Class. No.: RS250 / .K7 Dewey Class. No.: 614/.35