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Family Planning Perspectives|November 1, 1994
How frequently is emergency contraception prescribed?R A Grossman, B D GrossmanNIDA Research Monograph|February 1, 1979
Small area estimation--synthetic and other procedures, 1968-1978P S LevyThe American Journal of Medicine|April 1, 1984
Characteristics of surviving and nonsurviving patients with primary pulmonary hypertensionS Rich, P S LevyStatistical Methods in Medical Research|May 29, 2000
Statistical methods in public health and epidemiology: a look at the recent past and projections for the next decadeP S Levy, K StolteStatistics in Medicine|October 1, 1989
Estimation of prevalence on the basis of screening testsR A Lew, P S LevyAmerican Journal of Epidemiology|February 1, 1976
Changes in fatal and nonfatal crash rates on a toll highwayT C Doege, P S LevyAmerican Journal of Public Health|February 1, 1977
Injuries, crashes, and construction on a superhighwayT C Doege, P S LevyThe New England Journal of Medicine|July 9, 1992
The effect of high doses of calcium-channel blockers on survival in primary pulmonary hypertensionS Rich, E Kaufmann, P S LevyThe American Journal of Cardiology|November 1, 1983
Comparative actions of hydralazine, nifedipine and amrinone in primary pulmonary hypertensionS Rich, R Ganz, P S LevyPublic Health Reports (Washington, D.C. : 1974)|September 1, 1982
The revised estimated survival probability index of trauma severityP S Levy, J Goldberg, J RothrockPageof 6