4,4'-diaminodiphenylmethane ( 4,4'-methylenedianiline ) ( ddpm ) promoted the development of thyroid tumors in rats treated with a subeffective dose of n-bis ( 2-hydroxypropyl ) nitrosamine ( 2,2'-dihydroxy-n-nitrosodipropylamine ) ( dhpn ) for thyroid tumorigenesis .
C0040136
the
C0040132
thyroid