
Keywords: دیامین اکسیداز; LI; lactose intolerance; LM; lactose malabsorption; LHBT; lactose hydrogen breath test; LCT; lactase gene; DAO; diamine oxidase; HI; histamine intolerance; CO2; carbon dioxide; H2; hydrogen; Lactose intolerance; Diamine oxidase; Breath test; Phenotypes;