Krikun, Graciela, Irina A Buhimschi, Martha Hickey, Frederick Schatz, Lynn Buchwalder, & Charles J Lockwood. " Long-term progestin contraceptives (LTPOC) induce aberrant angiogenesis, oxidative stress and apoptosis in the guinea pig uterus: A model for abnormal uterine bleeding in humans." Vascular Cell [Online], 2.1 (2010): 8. Web. 6 May. 2024