NET
12 In the thirty-ninth year of his reign, Asa developed a foot disease and his disease became severe. Yet even in his disease, he did not seek the Lord, but only the doctors.
Darby
12 And Asa in the thirty-ninth year of his reign was diseased in his feet, until his disease was extremely great; yet in his disease he did not seek Jehovah, but the physicians.
KJV
12 And Asa in the thirty and ninth year of his reign was diseased in his feet, until his disease [was] exceeding [great]: yet in his disease he sought not to the LORD, but to the physicians.