Sexton, Wilfred Archibald. Chemical constitution and biological activity / W. A. Sexton ; With a foreword by Lord Todd. - 2nd rev. and enl. ed. - London : E. & F.N. Spon, 1953. - xxiii, 424 p. : ill. ; 26 cm. - Industrial chemistry series . Includes index. Subjects--Topical Terms: Biochemistry.Biological Factors --chemistry.DrugsPharmacology Dewey Class. No.: 572 / SEC 1953