Factor analysis of gastrointestinal symptoms.
Whitehead
W E
WE
Cook
E W
EW
Taub
E
E
D016000:Cluster Analysis; D003109:Colonic Diseases, Functional / Q000453:epidemiology*; D004415:Dyspepsia / Q000453:epidemiology*; D005163:Factor Analysis, Statistical; D006801:Humans