Name Info Provider Link
Veterans and Military Health free resource MedlinePlus Health Information https://medlineplus.gov/veteransandmilitaryhealth.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/23130090/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/23130090
free resource Deutsches Aerzteblatt International https://doi.org/10.3238/arztebl.2012.0569