Sharma, A; Burnell, M; Gentry-Maharaj, A; Campbell, S; Amso, NN; Seif, MW; Fletcher, G; ... United Kingdom Collaborative Trial of Ovarian Cancer Screening (UKCTOCS), .; + view all Sharma, A; Burnell, M; Gentry-Maharaj, A; Campbell, S; Amso, NN; Seif, MW; Fletcher, G; Brunel, C; Turner, G; Rangar, R; Ryan, A; Jacobs, I; Menon, U; United Kingdom Collaborative Trial of Ovarian Cancer Screening (UKCTOCS), .; - view fewer (2013) Factors affecting visualization of postmenopausal ovaries: descriptive study from the multicenter United Kingdom Collaborative Trial of Ovarian Cancer Screening (UKCTOCS). Ultrasound Obstet Gynecol , 42 (4) 472 - 477. 10.1002/uog.12447.