Endpoint study
#4: Shah, AH., Al-Shareef, AH., Ageel, AM., Qureshi, S. Toxicity studies in mice of common spices, Cinnamomum zeylanicum bark and Piper longum fruits . plant foods for human nutrition, 1998, vol. 52, no. 3, p. 231–239. DOI: 10.1023/A:1008088323164.
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