International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics. 143(3)
Subject
0301 basic medicine medicine.medical_specialty 030102 biochemistry & molecular biology Obstetrics business.industry Choriocarcinoma Obstetrics and Gynecology General Medicine medicine.disease 03 medical and health sciences 0302 clinical medicine 030220 oncology & carcinogenesis Rare case medicine Positive Pregnancy Test business