[Normal levels of serum beta-lipoprotein in healthy middle-aged men in a city].
D000328:Adult; D000367:Age Factors; D002784:Cholesterol / Q000097:blood*; D006801:Humans; D008074:Lipoproteins / Q000097:blood*; D008297:Male; D008875:Middle Aged; D009790:Occupations; D014041:Tokyo; D014505:Urban Population
D008074:Lipoproteins; D002784:Cholesterol