- LH
- LH-RH
- LH-RH agonist
- Lhermitte's sign
- Li-Fraumeni syndrome
- liarozole
- liarozole fumarate
- Liazal
- libido
- licorice root extract
- lidocaine
- lidocaine patch 5%
- Lidoderm
- Lidothesin
- life tables
- lifetime risk
- ligation
- light microscope
- light therapy
- light-emitting diode therapy
- light-emitting oncolytic vaccinia virus GL-ONC1
- lignan
- limb perfusion
- limbic system
- limited-duration prevalence
- limited-stage small cell lung cancer
- linac
- linear accelerator
- Linfolizin
- linifanib
- Linomide
- linseed
- lintuzumab
- Lioresal
- liothyronine sodium
- lipid
- Lipiodol
- Lipitor
- Lipo-Lutin
- LipoDox
- lipoma
- lipophilic
- liposarcoma
- liposomal
- liposomal amphotericin B
- liposomal cytarabine
- liposomal daunorubicin citrate
- liposomal doxorubicin hydrochloride
- liposomal NDDP
- liposomal oxaliplatin