Preventable fraction for the population 1970-01-01
Proportional reporting ratio 1970-01-01
Protective factor 1970-01-01
Rare disease assumption 1970-01-01
Real-time outbreak and disease surveillance 1970-01-01
Relative index of inequality 1970-01-01
Relative risk 1970-01-01
Relative risk reduction 1970-01-01
Relative survival 1970-01-01
Risk adjusted mortality rate 1970-01-01
Risk–benefit ratio 1970-01-01
Risk difference 1970-01-01
Risk factor 1970-01-01
Rule of three (statistics) 1970-01-01
Carotid ultrasonography 1970-01-01
Contrast-enhanced ultrasound 1970-01-01
Cranial ultrasound 1970-01-01
Therapeutic effect 1970-01-01
Transmission risks and rates 1970-01-01
Ultrasound contrast agents 1970-01-01