He was one of the lead authors of a paper which states the opposite of what he says in the film. (monbiot.com)
If you can't find someone to learn from in person, don't be afraid to email the corresponding author of a paper with the technique you want to replicate. (ascb.org)
Authors of papers published in most medical journals are required to disclose their funding sources and other conflicts of interests. (sciencedaily.com)