L-dopa (Levodopa)

L-R (left to right)

L/min (liters per minute)

L/Min L/m (liters per minute)

L/R (left to right)

L/S ratio (lecithin to sphingomyelin ratio)

L&A (light and accommodation)

L&B (laryngoscopy and bronchoscopy)

L&D (labor and delivery)

L&U (lower and upper)