Influence of blood group and secretor status on gastric acidity.
D000017:ABO Blood-Group System; D000328:Adult; D000704:Analysis of Variance; D004381:Duodenal Ulcer / Q000097:blood; D005260:Female; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000378:metabolism*; D006632:Histamine / Q000494:pharmacology; D006801:Humans; D007273:Injections, Intramuscular; D008297:Male; D008722:Methods; D008875:Middle Aged; D012463:Saliva / Q000032:analysis
D000017:ABO Blood-Group System; D006632:Histamine