Assertion: estrone's activity | /r/HasProperty | detected in human
Facets:
value: in benign and malignant breast tumors
type: LOCATION
Source sentences:
text: In humans, predominant 4-hydroxylase activity has been detected in microsomes of uterine myometrium and benign uterine leiomyomas (34) and in benign and malignant breast tumors (35, 36).