Prevalence of polypoid lesions of the gallbladder in urban and rural areas of Japan: comparison between 1988 and 1993.
Hayashi
Y
Y
Division of Health Science, Faculty of Medicine, Tokyo Medical and Dental University, Japan.
Liu
J H
JH
Moriguchi
H
H
Takenawa
H
H
Tazawa
J
J
Nakayama
E
E
Marumo
F
F
Sato
C
C
D000328:Adult; D000367:Age Factors; D005260:Female; D005705:Gallbladder Diseases / Q000000981:diagnostic imaging / Q000453:epidemiology*; D006801:Humans; D007564:Japan / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D011127:Polyps / Q000000981:diagnostic imaging / Q000453:epidemiology*; D012424:Rural Population; D012737:Sex Factors; D014463:Ultrasonography; D014505:Urban Population