Validation of a real-time polymerase chain reaction for the detection and quantification of the nucleic acid of Histoplasma from equine clinical samples oleh Lewis W. S. Fisher, Abdou Ceesay, Demba Jallow, Sophie F. Hawkes, Alicia Showering, Yaghouba Kane, Amadou Doumbia, Andrew P. Stringer, Claire E. Scantlebury