Conversation so far:
Where did Jonas Salk go to medical school?
New York University Medical School
What time period did Jonas Salk go to New York University Medical School?
1934-1939
What did Jonas Salk study in medical school?
Jonas Salk had decided he did not want to practice medicine. Instead, he became absorbed in research, even taking a year off to study biochemistry.

Question: Did he study anything else?
Self-contained rewrite: Did Jonas Salk study anything else in medical school besides biochemistry?