Name	Info	Provider	Link
	free resource	S. Karger AG, Basel, Switzerland	https://doi.org/10.1159/000505665
Exercise for Children	free resource	MedlinePlus Health Information	https://medlineplus.gov/exerciseforchildren.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32203960/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/32203960
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD38-1
Exercise and Physical Fitness	free resource	MedlinePlus Consumer Health Information	https://medlineplus.gov/exerciseandphysicalfitness.html