| FACB | Fanconi anemia complementation group B |
|---|---|
| FACC | Fanconi anemia complementation group C; Fellow of the American College of Cardiologists |
| FACD | Fanconi anemia complementation group D; Fellow of the American College of Dentists |
| GABHS | group A beta-hemolytic streptococcus |
| GAG | glycosaminoglycan; group-specific antigen gene |