
Hormone Replacement Therapy


Hostage Rescue Team


High-Resolution Tracker


Hartwell Railroad


Hartwell Railroad Company


Heidelberg retina tomograph


Heidelberg Retinal Tomography


hydraulic retention time


hydraulic retention times

ARRHYTHMIA RESEARCH TECHNOLOGY, INC.

Chartright Air

Habitual Residence Test

half-relaxation time

Handrail Removal Tool

Hard Real-Time

Harm Reduction Therapy

harringtonine

Hazard Review Template

heart rate

heart rate threshold

heart rate turbulence

Heat-Resistant Temperature

Heidelberg Retina Tomography

Heidelberg Retinal Tomograph

Heidelberg Retinal Tomographer

High Rate Tape

High Rate Telemetry

high-resistance training

high-resolution telemetry

Highway Regulating Team