LARYNGOGRAPH
LARYNGOSCOPE
LASER (SURGICAL)
LEAKAGE CURRENT MONITOR
LIGHT BEAM DIAPHRAGM
LIGHT PEN
LIGHT PLETHYSMOGRAPH
LINEAR ACCELERATOR
LINEAR ARRAY (ULTRASOUND) SCANNER
LINEAR VARIABLE DIFFERENTIAL TRANSFORMER (LVDT)
LIQUID OXYGEN SUPPLY
LIQUID SCINTILLATION COUNTER
LITHOTRIPTOR
LOAD CELL TRANSDUCER
LOW-RESISTANCE VAPORIZER
LUNG VENTILATOR