TY  - GEN
AU  - Helfand,M
AU  - Oehlke,M A
AU  - Lieberman,D A
TI  - Community-based research--a framework for problem formulation: the case of upper endoscopy for gastroesophageal reflux disease
SN  - 0272-989X
PY  - 1997///0904
KW  - Adult
KW  - Aged
KW  - Decision Support Techniques
KW  - Decision Trees
KW  - Endoscopy, Digestive System
KW  - Evidence-Based Medicine
KW  - Female
KW  - Gastroesophageal Reflux
KW  - diagnosis
KW  - Humans
KW  - Male
KW  - Middle Aged
KW  - Practice Guidelines as Topic
KW  - Treatment Outcome
N1  - Publication Type: Journal Article; Research Support, Non-U.S. Gov't
UR  - https://doi.org/10.1177/0272989X9701700308
ER  -