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Daniëlle A. van Reijn-Baggen;Ingrid J.M. Han-Geurts;Petra J. Voorham-van der Zalm;Rob C.M. Pelger;Caroline H.A.C. Hagenaars-van Miert;Ellen T.M. Laan;. (2022). Pelvic Floor Physical Therapy for Pelvic Floor Hypertonicity: A Systematic Review of Treatment Efficacy . Sexual Medicine Reviews, (), –. doi:10.1016/j.sxmr.2021.03.002 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research