article 1997 O-134 Gonadotrophin-releasing hormone agonist (GnRHa) therapy alters activity of plasminogen activators (PA), Matrix Metalloproteinases (MMP) and of their inhibitors (PAI and MMPI) in rat models for adhesion formation and endometriosis: Potential GnRHa-regulated mechanisms reducing adhesion formation ·doi:10.1016/s0015-0282(97)90766-4