Search for: [Subject = medycyna] OR [Subject = nauki medyczne] OR [Title = Frequency of occurrence of obesity and body mass deficitsamong children of Lublin grammar\-schools] OR [Creator = Olejarnik, Ilona.] OR [Creator = Borzęcki, Grzegorz.] OR [Creator = Kowalska, Magdalena.] OR [Creator = Borzęcki, Andrzej.]