West Kazakhstan Marat Ospanov State Medical University 1

1. Retraction notice to “Ovarian parameters and ovarian blood flow of women living in the area of environmental crisis” [Eur. J. Obstet. Gynecol. Reprod. Biol. 200 (2016) 68-71, (S0301211516300574), (10.1016/j.ejogrb.2016.02.021)]
2. Lead concentration in human hair in Russia: a systematic review
3. Study profile: oral health assessment among participants of “Epidemiology of cardiovascular diseases in Russian regions. Third study” in the Arkhangelsk region
4. The effect of sodium butyrate enemas compared with placebo on disease activity, endoscopic scores, and histological and inflammatory parameters in inflammatory bowel diseases: A systematic review of randomised controlled trials
5. Association of leptin with anthropometric indexes, dyslipidemia and carbohydrate metabolism in Kazakh adults
6. Epidemiology evaluation of lower limb injuries in Kazakhstan
7. Maternal correlates of spontaneous preterm birth in Kazakhstan: a matched case-control study
8. The impact of periodontitis on the risk of preterm birth: Systematic review and meta-analysis
1