Ivankiv, V. Ya., et al. “ECOLOGICAL FEATURES OF MICROBIOCENOSIS OF THE SKIN OF MAMMARY GLANDS AND VAGINA IN PREGNANT WOMEN WITH THREAT OF PRETERM LABOR”. International Journal of Medicine and Medical Research, vol. 3, no. 2, Dec. 2017, pp. 51-53, doi:10.11603/ijmmr.2413-6077.2017.2.8077.