title: The occurrence of antibodies anti-Entamoeba histolytica in persons returning from the tropics and in those who did not leave Poland.
mesh_terms: D000349:Africa / Q000208:ethnology; D000562:Amebiasis / Q000175:diagnosis*; D000906:Antibodies / Q000302:isolation & purification*; D001208:Asia / Q000208:ethnology; D004748:Entamoeba histolytica / Q000276:immunology*; D004749:Entamoebiasis / Q000175:diagnosis*; D006801:Humans; D011044:Poland; D014195:Travel; D014329:Tropical Climate
chemical_list: D000906:Antibodies