Ganong, William F. OB/GYN Secrets Helen L. Frederickson, Louise Wilkins. - 2nd ed. - Philadelphia [s.n.] 1997 - xv, 368p., 23cm. ISBN: 156053205x. Subjects--Topical Terms: Child birth ;Midwifery ;Women diseases. Dewey Class. No.: 618 / F87O