| MHR | major histocompatibility region; malignant hyperthermia resistance; maternal heart rate; maximal hea... |
|---|---|
| A2 | Aortic Component of the Second Heart Sound(S2) |
| CDH | 1) Chronic Daily Headache = CTH = ... |
| CHARGE Associations | Coloboma Heart disease Atresia choanae Reta... |
| CHD | 1) Congenital Heart Disease 2) Common Hepatic Duct |