descriptive
Analysis v1
Strong Support
In 1935, a scientist named Ernst Laqueur first pulled testosterone out of a biological sample, and two other scientists, Adolf Butenandt and Leopold Ruzicka, figured out how to make it in a lab that same year.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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ENDOCRINE HISTORY: The history of discovery, synthesis and development of testosterone for clinical use.
Narrative Review
2019 Jun 1The study says exactly what the claim says: in 1935, one scientist found testosterone, and two others made it in the lab — so the claim is right.
Contradicting (0)
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Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.