Physicians or computers?

http://www.rand.org/pubs/external_publications/EP20090915.html

http://healthblog.ncpa.org/lessons-from-minuteclinic/?utm_source=newsletter&utm_medium=email&utm_campaign=HA#more-26538
For triage among patients with suspected pulmonary infection:
http://www.medpagetoday.com/PulmCCMCentral/34002
and
http://journal.publications.chestnet.org/data/Journals/CHEST/24314/112430.pdf