Data bases for variations research.
Research Triangle Institute, NC 27709-2194.
J E
JE
Paul
K A
KA
Weis
R A
RA
Epstein
D003195:Computer Communication Networks; D003628:Database Management Systems; D016208:Databases, Factual / Q000145:classification; D006302:Health Services Research; D006801:Humans; D010818:Practice Patterns, Physicians'; D014481:United States; D016270:United States Agency for Healthcare Research and Quality