title: Proficiency testing in clinical microbiology: the New York City Program.
mesh_terms: D001419:Bacteria / Q000145:classification; D005069:Evaluation Studies as Topic; D005658:Fungi / Q000145:classification; D006801:Humans; D008826:Microbial Sensitivity Tests; D008829:Microbiology / Q000592:standards*; D009519:New York City; D011786:Quality Control