Ultrasound-Guided Extraction of Intrauterine Devices With Nonvisible Threads: 254 Consecutive Cases: An Effective,

Cristian Kottmann1,2, Maite Troncoso1,2, Ignacio Valenzuela1,2

  • 1Department of Obstetrics and Gynecology, Faculty of Medicine, Los Andes University, Santiago, Chile.

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