objective The purpose is to compare plumbum acetate and ammonia hydroxide method with the PH and reduction lactose method on application of qualitative lactose measurement in babies excrement.

• 目的试比较醋酸铅氢氧化铵法和PH还原糖法(改良班氏法)在婴幼儿粪便乳糖定性检测中的应用。