article 2012 M074 SERUM AND PERITONEAL FLUID LEVELS OF BETA‐FIBROBLAST GROWTH FACTOR AND SEVERE OF ENDOMETRIOSIS ·doi:10.1016/s0020-7292(12)61269-7
article 2008 Endoglin levels in serum and peritoneal fluid from women with and without endometriosis ·doi:10.1016/j.fertnstert.2008.07.242