Sources of considerable or great importance

	n	%
The librarian	84	78%
Information from inside your institution	69	66%
Own paper files or readings	60	58%
Information from the patient's family	47	46%
Information from outside your institution	46	44%
Medical tests	30	30%
Own database searches, e.g. MEDLINE	28	27%
Own Internet searches	19	18%
Non-professional literature, e.g. NY Times	7	7%