TY - GEN AU - Lazcano-Ponce,E C AU - de Ruiz,P A AU - Lopez-Carrillo,L AU - Vazquez-Manriquez,M E AU - Hernandez-Avila,M TI - Quality control study on negative gynecological cytology in Mexico SN - 8755-1039 PY - 1994///0720 KW - Adolescent KW - Adult KW - Aged KW - Aged, 80 and over KW - Female KW - Humans KW - Mexico KW - Middle Aged KW - Papanicolaou Test KW - Predictive Value of Tests KW - Quality Control KW - Reproducibility of Results KW - Vaginal Smears KW - standards N1 - Publication Type: Journal Article UR - https://doi.org/10.1002/dc.2840100104 ER -