| HC | hair cell; hairy cell; handicapped; head circumference; head compression; health care; healthy contr... |
|---|---|
| HCD | health care delivery; heavy-chain disease; high-calorie diet; high-carbohydrate diet; homologous can... |
| IGHD | immunoglobin delta heavy chain; isolated growth hormone deficiency |
| IGHE | immunoglobulin epsilon heavy chain |
| IGHV | immunoglobulin heavy chain variable region |