| NTD | neural tube defect; nitroblue tetrazolium dye; noise tone difference; 5'-nucleotidase |
|---|---|
| OAD | obstructive airway disease; organic anionic dye |
| TGD | thermal-green dye |
| BLS | Basic Life Support |
| ABC | absolute basophil count; absolute bone conduction; acalculous biliary colic; acid balance control; a... |