There he became assistant professor of pathology at the university in 1879.

The professor of pathology was going to Oxford and gave me a lift.

Soon afterward, he was made a professor of pathology.

He has been a full professor of pathology at Tehran University since 1974.

In 1923 he became a professor of internal pathology.

In 1828 he was appointed professor of special pathology and therapy.

Still later he was named professor of pathology and therapeutics.

He was named a professor of pathology and pediatrics in 1978.

From 1900 until his death in 1924 he was a full professor of general and experimental pathology.

He became a professor of pathology in 1983, and five years later helped found the immunobiology section.