Name Info Provider Link
Quitting Smoking free resource MedlinePlus Health Information https://medlineplus.gov/quittingsmoking.html
free resource NCI CPTAC Assay Portal https://assays.cancer.gov/non-CPTAC-3867
subscription/membership/fee required Silverchair Information Systems https://academic.oup.com/ntr/article-lookup/doi/10.1080/14622200601004091