title: [Recurrent pains of extremities and abdomen as well as headaches in children from elementary schools in the City of Lublin].
mesh_terms: D000005:Abdomen; D000293:Adolescent; D000367:Age Factors; D002648:Child; D005121:Extremities; D005260:Female; D006261:Headache / Q000453:epidemiology*; D006801:Humans; D008297:Male; D010146:Pain / Q000453:epidemiology*; D011044:Poland; D012008:Recurrence
vernacular_title: Nawracajace bóle kończyn, głowy i jamy brzusznej u uczniów szkół podstawowych miasta Lublina