Expression of genes, encoding the enzymes of cysteine metabolism in human placenta in the first and third trimesters of uncomplicated pregnancy - K. L. Korneeva; R. R. Rodriguez; S. V. Ralchenko; O. V. Martunovska; A. O. Frolova; O. P. Martsenyuk; L. V. Manzhula; V. T. Melnyk; O. Y. Shkoropad; Yu. Obolenska (The Ukrainian Biochemical Journal, 2016)