| HB | health board; heart block; heel to buttock; held back; hemoglobin; hepatitis B; His bundle; hold bre... |
|---|---|
| LBB | left bundle branch; low back bending |
| LBI | low back injury; low serum-bound iron |
| LBT | low back tenderness or trouble |
| SBS | shaken baby syndrome; short bowel syndrome; sick building syndrome; sinobronchial syndrome; small bo... |