Thomas Aquinas On Romans 7

What was Aquinas’ position or interpretation of Romans 7?  According to The Encyclopedia of Christianity, Aquinas interpreted Romans 7 as Paul’s Christian experience, a post-conversion context.  The encyclopedia states, 

“The significance of the referent of Romans 7 should not be exaggerated; Augustine in his later writings, Thomas Aquinas, Luther and the Council of Trent all agreed that this text referred to the Christian Paul...”[1]

[1] The Encyclopedia of Christianity, Volume 5 (Eerdmans, 1997), 5. Emphasis added.