Hannidhikul, Prateep, Vivat Bhuttarechval, and Phongthorn Virojchaiwong. 2011. “Test Characteristics of Sonohysterography in Detection of Intrauterine Abnormalities in Infertile Patients”. Vajira Medical Journal : Journal of Urban Medicine 45 (2):107-17. https://he02.tci-thaijo.org/index.php/VMED/article/view/147.