2Khan F, Jamaat S, Al - Jaroudi D. Saline infusion sonohys-terography versus hysteroscopy for uterine cavity evaluation[J]. Ann Saudi Med,2011,31 (4) : 387 -392.
3Salim R,Lee C, Davies A, et al. A comparative study ofthree - dimensional saline infusion sonohysterography and di-agnostic hysteroscopy for the classification of submucou[ J].Hum Reprod,2005,20(1) :253 -257.