Hormonal effects of ultrasound.
Bromberg
I L
IL
Zielinski
N
N
Dassin
R
R
Fisher
S
S
D006063:Chorionic Gonadotropin / Q000097:blood*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D013997:Time Factors; D014463:Ultrasonography
D006063:Chorionic Gonadotropin