Teaching the Billings ovulation method.
Card's contents:
BILLINGS, EVELYN /556,142 I Teaching the Billings ovulation method. Pt. 2, Variations of the cycle and reproductive health / Evelyn L. Billings and John J. Billings. -Melbourne : Ovulation Method Research and Reference Centre of Australia, 1997. - IV, 48 s. : wykr. ; 21x30 cm Indeks ISBN 0-908482-11-6
Card's Details
Keyword:
BILLINGS, EVELYN
Author:
Evelyn L. Billings and John J. Billings
Signature:
556,142
ISBN:
Year:
1997
