JU
Jason Umphress
Physician · Dignity Health
Credentials: · · ·
History
- Present
- 1998–2001
Gastroenterology
- 1991–1995
Doctor of Medicine
Research
Insomnia in primary care patients
SLEEP · 1999 · 143 citations
European Journal of Biochemistry · 1992 · First of 4 authors · 30 citations
Biliary stricture caused by portal biliopathy: diagnosis by EUS with Doppler US
Case report · Gastrointestinal Endoscopy · 2004 · First of 3 authors · 25 citations
- AI
1 paper
- RP
1 paper
- SU
1 paper
1 paper