Assertion: anabolic steroid's use | /r/CapableOf | begin in late 19th century
Facets:
Source sentences:
text: Medical use of testicle extract began in the late 19th century while its effects on strength were still being studied.
text: In particular, the use of steroid hormones pre-dates their identification and isolation: medical use of testicle extract began in the late 19th century, and its effects on strength were also studied then.
text: Medical use of testicle extract began in the late 19th century while its effects on strength were still being studied.
text: Medical use of testicle extract began in the late 19th century, while its effects on strength were still being studied.