title: Starch aggregation as a presumptive test for Haemophilus ducreyi.
mesh_terms: D002602:Chancroid / Q000382:microbiology; D003470:Culture Media; D006191:Haemophilus ducreyi / Q000302:isolation & purification*; D006801:Humans; D013194:Staining and Labeling / Q000379:methods; D013213:Starch / Q000378:metabolism*
chemical_list: D003470:Culture Media; D013213:Starch