Clinical and sonographic characteristics of five cases of small-cell carcinoma of the ovary, hypercalcemic type. - Pozzati F; Moro F; Alcazar JL; De Votch K; Fontana E; Testa AC (Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology, 2025)