Alvandfar, D., Alizadeh, M., & Khanbabayi Gol, M. "Prevalence of pregnancy varicose and its effective factors in women referred to gynecology hospitals in Tabriz", The Iranian Journal of Obstetrics, Gynecology and Infertility, 22, 9, 2019, 1–7. doi: 10.22038/ijogi.2019.13996