id	keyword
ch-6905	medical
ch-6905	southern
ch-6905	college
ch-6905	education
ch-6905	university
ch-6905	flexner
ch-6905	new
ch-6905	american
ch-6905	history
ch-6905	institutions
ch-6905	medical college
ch-6905	medicine
ch-6905	century
ch-6905	press
ch-6905	students
ch-6905	report
ch-6905	journal
ch-6905	duffy