https://pubmed.ncbi.nlm.nih.gov/24044493/

https://www.bmj.com/content/280/6220/1044

Sold on Ebay

https://www.ebay.com/sch/i.html?_nkw=coccinia+indica&norover=1&mkevt=1&mkrid=711-34002-13078-0&mkcid=2&keyword=coccinia+indica&crlp=_201803&MT_ID=&geo_id=&rlsatarget=kwd-77446948592368%3Aloc-210&adpos=&device=c&mktype=&loc=210&poi=&abcId=&cmpgn=329530295&sitelnk=&adgroupid=1239149713785405&network=o&matchtype=p&msclkid=98265fa9a953103e37063f3e4a43fd88&ul_noapp=true