In 1887 he became a professor at the school and began teaching physiology , and is believed to have established the first physiology laboratory west of the Mississippi River .
On returning to the United States , Porter became a resident physician at the St. Louis Medical College .
In 1887 Porter became a professor at the school and began teaching physiology , and is believed to have established the first physiology laboratory west of the Mississippi River .
On returning to the United States , Porter became a resident physician at the St. Louis Medical College .