...Ehud Zmora; Donald L. Shapiro The effects of maternal treatment with ritodrine, a β(2)-adrenergic agonist, on the biochemical development of fetal brain were studied in an animal model. Pregnant rats were treated with long and short dosage schedules. Fetuses were delivered by hysterotomy 4 h after...

...Moorkath Nandakumarana; Christiane Gardey; Elisabeth Rey; Jean-Claude Chattier; Maurice Panigel; Georges Olive The placental transfer from maternal to fetal circulation of ritodrine, a tocolytic agent used in obstetrics and of a structurally related physiologic catecholamine,norepinephrine...