For citations:

Tokhunts K.A., Khudaverdyan A.D., Julhakyan K.S., Abgaryan N.B. Three-Dimensional Ultrasound in Risk Assessment of Levonorgestrel-Releasing Intrauterine System (Mirena) Expulsion. Ultrasound & Functional Diagnostics. 2015;(2):56-67. (In Russ.)