Name	Info	Provider	Link
	free resource	BioMed Central	https://bmccancer.biomedcentral.com/articles/10.1186/s12885-018-5098-7
Prostate cancer	free resource	Genetic Alliance	https://www.diseaseinfosearch.org/result/9175
Potassium	free resource	MedlinePlus Health Information	https://medlineplus.gov/potassium.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30477464/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30477464