title: [Duration of course influence of natural factors and their therapeutic and prophylactic efficiency].
authors.forename: V K
authors.initials: VK
authors.lastname: Frolkov
mesh_terms: D006294:Health Resorts / Q000592:standards*; D006801:Humans; D026741:Physical Therapy Modalities / Q000592:standards*; D012046:Rehabilitation / Q000379:methods*; D012426:Russia; D013997:Time Factors