(Q39778857)
Statements
1 reference
Down's syndrome and oral contraceptive usage (English)
E. M. Flink
1 August 1976
1 reference
1 reference
83
1 reference
8
1 reference
617-620
1 reference
83
608
Royal College of General Practitioners' Oral Contraceptive Study Group
1976
Identifiers
1 reference