| HLA | histocompatibility leukocyte antigen; histocompatibility locus antigen; homologous leukocyte antibod... |
|---|---|
| HLA-SD | human lymphocyte antigen-serologically defined |
| HLT | heart-lung transplantation; human lipotropin; human lymphocyte transformation |
| HoaRhLG | horse anti-rhesus lymphocyte globulin |
| HPL | human parotid lysozyme; human peripheral lymphocyte; human placental lactogen |