TY - JOUR A1 - Davis, S. A1 - Strebel, P. A1 - Atkinson, W. A1 - Markowitz, L. A1 - Sutter, R. A1 - Scanlon, K. A1 - Friedman, S. A1 - Hadler, S. T1 - Reporting efficiency during a measles outbreak in New York City, 1991 Y1 - 1993 DO - 10.2105/AJPH.83.7.1011 VL - 83 IS - 7 ER -