In 1980 , he joined the National Institute of Diseases of the Chest and Hospital ( NIDCH ) .
Ali worked at the Dhaka Medical College as an associate professor of TB and Chest Diseases during 1966 - 1980 .
In 1980 , Ali joined the National Institute of Diseases of the Chest and Hospital ( NIDCH ) .
Ali worked at the Dhaka Medical College as an associate professor of TB and Chest Diseases during 1966 - 1980 .