After discovering a second case of ADA deficiency in an immunocompromised patient, ADA deficiency was recognized as the first immunodeficiency disorder. References
Further reading
Adenosine deaminase deficiency - Genetics Home Reference


== External links ==
With advances in diagnosis and management, the mortality rate from acute gastric volvulus is 15–20% and that for chronic gastric volvulus is 0–13%. References
External links

Schaefer D, Nikoomenesh P, Moore C (1997). "Gastric volvulus: an old disease process with some new twists". Gastroenterologist. 5 (1): 41–5. PMID 9074918.