sickles

n.an edge tool for cutting grass or crops; has a curved blade and a short handle

同义词：reaping hookreap hook

Physician predictors of mammographic accuracy.
The policy environment and relative price efficiency of Egyptian private sector manufacturing: 1987/88–1995/96
Production Frontiers and Panel Data
Production Frontier and Panel Data
Potential contribution of computer-aided detection to the sensitivity of screening mammography.
PRODUCTION FRONTIERS WITH CROSS-SECTINAL AND TIME-SERIES VARIATION IN EFFICIENCY LEVELS
Effect of age, breast density, and family history on the sensitivity of first screening mammography.
Journal of Productivity Analysis
Periodic mammographic follow-up of probably benign lesions: results in 3,184 consecutive cases.
Comparison of Screening Mammography in the United States and the United Kingdom