Results 311 to 320 of about 367,765 (333)
Some of the next articles are maybe not open access.
First trimester, second trimester, and integrated screening for Down's syndrome in China
Journal of Medical Screening, 2012Zheng-you Miao +5 more
semanticscholar +1 more source
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics, 2017
Yi-Xuan Liu +3 more
semanticscholar +1 more source
Yi-Xuan Liu +3 more
semanticscholar +1 more source
Utility of ultrasound for evaluating the appendix during the second and third trimester of pregnancy
Emergency Radiology, 2012B. Lehnert +3 more
semanticscholar +1 more source
Ectopic ovarian pregnancy in a second-trimester patient
The American Journal of Emergency Medicine, 2007Kevin J, Corrigan, Daniel R, Kowalzyk
openaire +2 more sources
SUBSTANCE ABUSE: SECOND TRIMESTER PREGNANCY LOSS.
jpme, 1990RJ Sokol +4 more
openaire +1 more source
ALPHA-FETOPROTEIN VALUES IN LATE SECOND TRIMESTER PREGNANCY
The Lancet, 1978T, Webb +5 more
openaire +2 more sources

