title: An unusual protozoon as a contaminant in a sputum smear.
authors.forename: Rafael
authors.initials: R
authors.lastname: Martínez-Girón
authors.forename: Andrés
authors.initials: A
authors.lastname: Ribas-Barceló
mesh_terms: D000656:Amoeba / Q000302:isolation & purification*; D000818:Animals; D004866:Equipment Contamination; D006801:Humans; D013183:Sputum / Q000469:parasitology*; D014867:Water / Q000469:parasitology*; D014881:Water Supply
chemical_list: D014867:Water