Name Info Provider Link
subscription/membership/fee required Ingenta plc https://www.annualreviews.org/content/journals/10.1146/annurev-nutr-071816-064941?crawler=true&mimetype=application/pdf
Caffeine free resource MedlinePlus Health Information https://medlineplus.gov/caffeine.html
free resource scite Smart Citations https://scite.ai/reports/28826374