[Child health in the school years. The Polish Nursing Society. The Chief Board].
D002648:Child; D002669:Child Welfare / Q000639:trends*; D006293:Health Promotion / Q000639:trends*; D006801:Humans; D011044:Poland; D012956:Societies, Nursing
Zdrowie dzieci w wieku szkolnym. Polskie Towarzystwo Pielegniarskie. Zarzad Główny.