Name Info Provider Link
Exercise and Physical Fitness free resource MedlinePlus Health Information https://medlineplus.gov/exerciseandphysicalfitness.html
Full text from free resource CORE https://core.ac.uk/reader/189768105?utm_source=linkout
Exercise and Physical Fitness free resource MedlinePlus Consumer Health Information https://medlineplus.gov/exerciseandphysicalfitness.html
subscription/membership/fee required Silverchair Information Systems https://aacrjournals.org/cebp/article-lookup/doi/10.1158/1055-9965.EPI-04-0771