Olsen M, Lof P, Stiekema A, van den Broek D, et al. The diagnostic accuracy of human epididymis protein 4 (HE4) for discriminating
between benign and malignant pelvic masses: a systematic review and
meta-analysis. Acta Obstet Gynecol Scand 2021;100:1788-1799.
PMID: 34212386