The ovulation method : the achievement or avoidance of pregnancy by a technique which is reliable and universally acceptable /
Billings, John J. 1918-
The ovulation method : the achievement or avoidance of pregnancy by a technique which is reliable and universally acceptable / John J. - 7yh ed - 136
with an appendix on correlations between the mucus symptoms and the hormonal markers of fertility throughout reproductive life
School of Medicine
0814610110
Birth control.
Cervix mucus.
Conception.
Contraception.
Natural Family Planning Methods--Popular Works.
Natural family planning--Ovulation method.
Ovulation--Detection.
Ovulation.
WHO RG 136 .5 .B545 1983
The ovulation method : the achievement or avoidance of pregnancy by a technique which is reliable and universally acceptable / John J. - 7yh ed - 136
with an appendix on correlations between the mucus symptoms and the hormonal markers of fertility throughout reproductive life
School of Medicine
0814610110
Birth control.
Cervix mucus.
Conception.
Contraception.
Natural Family Planning Methods--Popular Works.
Natural family planning--Ovulation method.
Ovulation--Detection.
Ovulation.
WHO RG 136 .5 .B545 1983
