Sex, age, and the pancreas.
D000328:Adult; D000367:Age Factors; D000681:Amylases / Q000378:metabolism; D001639:Bicarbonates / Q000378:metabolism; D005260:Female; D006801:Humans; D008049:Lipase / Q000378:metabolism; D008297:Male; D008875:Middle Aged; D010179:Pancreas / Q000378:metabolism*; D012633:Secretin; D012737:Sex Factors
D001639:Bicarbonates; D012633:Secretin; D008049:Lipase; D000681:Amylases