A comparison of CA125, HE4, risk ovarian malignancy algorithm (ROMA), and risk malignancy index (RMI) for the classification of ovarian masses - Anton, Cristina; Carvalho, Filomena Marino; Oliveira, Elci Isabel; Maciel, Gustavo Arantes Rosa; Baracat, Edmund Chada; Carvalho, Jesus Paula (Clinics, 2012)