title: Bacterial content and ionic composition of sputum in cystic fibrosis.
mesh_terms: D001419:Bacteria / Q000302:isolation & purification; D002118:Calcium / Q000032:analysis; D002176:Candida albicans / Q000302:isolation & purification; D003550:Cystic Fibrosis / Q000382:microbiology; D004573:Electrolytes / Q000032:analysis; D006801:Humans; D011188:Potassium / Q000032:analysis; D012964:Sodium / Q000032:analysis; D013183:Sputum / Q000032:analysis / Q000382:microbiology
chemical_list: D004573:Electrolytes; D012964:Sodium; D011188:Potassium; D002118:Calcium