Chemical substances that prevent or reduce the probability of conception

concept

Volidan 21 has the lowest oestrogenic activity of any combined oral contraceptive : crime and the British.

Volidan 21 has the lowest oestrogenic activity of any combined oral contraceptive : employment and the British.

Contraceptive methods and human immunodeficiency virus (HIV) / World Health Organization Special Programme on AIDS and Special Programme of Research, Development, and Research Training in Human Reproduction.

Volidan 21 the oral contraceptive with really low and predictable oestrogenic activity : gambling and the British.

Volidan 21 has the lowest oestrogenic activity of any combined oral contraceptive : domestic equipment and the British.

Selected practice recommendations for contraceptive use.

The European journal of contraception & reproductive health care.

London chemist: prescription-Books

Revised catalogue of birth control and surgical rubber goods etc / The Hygienic Stores Ltd.

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Contraceptive Agents

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Catalogue

Volidan 21 has the lowest oestrogenic activity of any combined oral contraceptive : domestic equipment and the British.

Selected practice recommendations for contraceptive use.

The European journal of contraception & reproductive health care.

London chemist: prescription-Books

Revised catalogue of birth control and surgical rubber goods etc / The Hygienic Stores Ltd.