The study included 18 rats that were given a compound (azoxymethane) to induce colon cancer in a manner similar to human colon cancer development.

• 该研究纳入18只大鼠为研究对象，研究人员给这些大鼠注射氧化偶氮甲烷，诱导大鼠产生与人类类似的结肠癌。