Professional Reference by letter:L

Labour - Active Management and InductionLabyrinthitis
Lactic AcidosisLactorrhoea
Lactose IntoleranceLambert Type Ichthyosis
Lambert-Eaton Myasthenic SyndromeLandau-Kleffner Syndrome
Langerhans' Cell HistiocytosisLaparoscopic Surgery
Laryngeal CancerLaryngitis
Laser Photorefractive Keratotomy (PRK)Lassa Fever, Marburg and Ebola Virus
Lateral EpicondylitisLathyrism
Laurence-Moon SyndromeLead Poisoning
Leber's Optic AtrophyLeft Iliac Fossa Pain
Left Upper Quadrant PainLeg Ulcers
Legionnaires' DiseaseLeiden Mutation (Factor V) Causing Thrombophilia
LeishmaniasisLejeune Syndrome
LEMS - Lambert-Eaton Myasthenic SyndromeLennox-Gastaut Syndrome
LentigoLeprosy
LeprosyLeptospirosis (Weil's Disease)
Lesch-Nyhan SyndromeLeukoplakia
Libman-Sacks EndocarditisLichen Planus
Lichen SclerosusLichen Simplex
Lid LagLigament Injuries - Knee
Light-for-Dates BabiesLightning Strikes and Electrocution
Limb Embolism and IschaemiaLimb-girdle Muscular Dystrophy
Linear IgA DermatosisLipid-regulating Drugs (including Statins)
Lipodystrophy SyndromeLipoma
ListeriosisLithium
Liver BiopsyLiver Cysts and Abscesses
Liver FailureLiver Fluke - Fasciola Hepatica
Liver Fluke - OpisthorchiasisLiver Transplantation
Liver TumoursLiving Wills
Living with Skin DiseaseLocalised Scleroderma
Localised scleroderma (Morphoea)Löffler's Disease
Löffler's Eosinophilic EndocarditisLöfgren's Syndrome
Loin PainLong-term Sickness and Incapacity
Looking After People With CancerLoss of Libido
Low Back Pain and SciaticaLower Respiratory Tract Infection in Children
Lower Urinary Tract Symptoms in MenLower Urinary Tract Symptoms in Women
Lowe's (Oculo-cerebro-renal) SyndromeLown-Ganong-Levine Syndrome
Lumbar PunctureLumbar Spinal Stenosis
LumpsLumps in the Groin and Scrotum
Lung AbscessLung Cancer
Lutembacher's SyndromeLyell's Syndrome
Lyme DiseaseLymphadenopathy - General
Lymphatic FilariasisLymphogranuloma Venereum
Lymphoma - Hodgkin'sLymphoma - Non-Hodgkin's