The American Materia Medica, Therapeutics and Pharmacognosy, 1919, was written by Finley Ellingwood, M.D. Chapter II. Agents acting upon intestinal parasites-Anthelmintics. Book Navigation ‹ A Summary and Comparison of Remedies Acting on the Reproductive Organs of Women. up Chapter II. Agents acting upon intestinal parasites-Anthelmintics. ›