https://pubmed.ncbi.nlm.nih.gov/26654122/
https://pubmed.ncbi.nlm.nih.gov/30806904/
https://pubmed.ncbi.nlm.nih.gov/16940861/ (this one says wet markets, which probably are an issue, but not as big as initially thought, and probably not the origin of CoV-2)
https://pubmed.ncbi.nlm.nih.gov/27726088/
https://pubmed.ncbi.nlm.nih.gov/27426214/
afaict the strongest evidence against lab-origin is the claim that COV was circulating in Italy in early autumn 2019, although I've read lately that the tests claiming this are now apparently suspect. go figure.