The Billings enigma
By: Tess Livingstone with a foreword by Cardinal George Pell
Contributors: Pell, George, 1941-
Publisher: Connor Court Publishing
Published: 2013
Place of publication: Ballan, VIC
Language: eng
Number of pages: 162
ISBN-13: 9781922168375
Subjects: Natural family planning; Ovulation method; Physicians; Biography; Ovulation; Detection
Notes: Includes bibliographical references.