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Katharina, Putora; René, Hornung; Janis, Kinkel; Tina, Fischer; Putora, Paul Martin (2022). Progesterone, cervical cerclage or cervical pessary to prevent preterm birth: a decision-making analysis of international guidelines. BMC pregnancy and childbirth, 22(1), p. 355. BioMed Central 10.1186/s12884-022-04584-4
