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The American journal of pathology  (2013)

Reduced cystathionine γ-lyase and increased miR-21 expression are associated with increased vascular resistance in growth-restricted pregnancies=> hydrogen sulfide as a placental vasodilator.

Cindrova-Davies, Tereza; Herrera, Emilio A; Niu, Youguo; Kingdom, John; Giussani, Dino A; Burton, Graham J