Assertion: progesterone's effect | /r/HasProperty | studied in multicenter
Facets:
Source sentences:
text: In a multicenter, randomized, double-blind, placebo-controlled clinical trial, the effects of Progesterone Capsules on the endometrium was studied in a total of 875 postmenopausal women.
text: In a multicenter, randomized, double-blind, placebo-controlled clinical trial, the effects of progesterone on secondary amenorrhea was studied in 49 estrogen-primed postmenopausal women.