title: [Environmental factors in the organization of footraces and marathons].
mesh_terms: D000328:Adult; D003681:Dehydration / Q000517:prevention & control; D006359:Heat Exhaustion / Q000517:prevention & control; D006801:Humans; D009934:Organization and Administration; D011647:Puerto Rico; D012420:Running; D013178:Sports Medicine; D014329:Tropical Climate
vernacular_title: Factores ambientales en la organización de carreras pedestres y maratones.