TY  - GEN
AU  - Catalán Félez,R
AU  - de la Figuera Von Wichmann,E
AU  - Jimeno Aranda,A
AU  - Fernández Pico,A
TI  - [Pregnancy due to the failure of a hormonal contraceptive method]
SN  - 0212-6567
PY  - 1993///0512
KW  - Adult
KW  - Contraceptives, Oral, Hormonal
KW  - Female
KW  - Humans
KW  - Pregnancy
KW  - Risk Factors
N1  - Publication Type: Case Reports; Letter
ER  -