[On the behavior of the serum level of sialic acid in normal, silicotic and chronic bronchitic subjects].
D001991:Bronchitis / Q000097:blood*; D006801:Humans; D019158:N-Acetylneuraminic Acid; D009438:Neuraminic Acids / Q000097:blood*; D012829:Silicosis / Q000097:blood*
D009438:Neuraminic Acids; D019158:N-Acetylneuraminic Acid
BRONCHITIS/blood; NEURAMINIC ACIDS/blood; SILICOSIS/blood