TY - GEN AU - Collins,D N AU - Newton,L E TI - Quality assurance in cytology: New York State Proficiency Testing Program SN - 0097-5990 PY - 1989///1011 KW - Cell Biology KW - education KW - Consultants KW - Cytodiagnosis KW - Education, Continuing KW - Educational Measurement KW - methods KW - Humans KW - Laboratories KW - standards KW - Mass Screening KW - New York KW - Quality Assurance, Health Care N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0097-5990(16)30296-2 ER -