![Clarifications concerning the commentary “Published analysis of contraceptive effectiveness of Daysy and DaysyView app is fatally flawed”]()
Clarifications concerning the commentary “Published analysis of contraceptive effectiveness of Daysy and DaysyView app is fatally flawed”Koch, Martin C.; Lermann, Johannes; van de Roemer, Niels; Renner, Simone K.; Burghaus, Stefanie; Hackl, Janina; Dittrich, Ralf; Kehl, Sven; Oppelt, Patricia G.; Hildebrandt, Thomas; Hack, Caroline C.; Pöhls, Uwe G.; Renner, Stefan P.; Thiel, Falk C. · Reproductive Health · 2019