Sharif Sharif R R Bak-Nielsen Bak-Nielsen S S Sejersen Sejersen H H Ding Ding K K Hjortdal Hjortdal J J Karamichos Karamichos D D Prolactin-induced protein is a novel biomarker for keratoconus Prolactin-induced protein is a novel biomarker for keratoconus Exp Eye Res Exp Eye Res 2019 2019 179 179 55 55 63 63 10.1016/j.exer.2018.10.015 10.1016/j.exer.2018.10.015 supplied-pmid 30393162? The gene discussed is PRL; the disease is keratoconus.