Referring for knowledge base: what is the case for referral?
Schatz
M
M
Venable
R
R
Weiss
K
K
D000486:Allergy and Immunology / Q000639:trends*; D018166:Health Care Reform / Q000639:trends; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D006967:Hypersensitivity / Q000628:therapy*; D012017:Referral and Consultation / Q000639:trends*; D014481:United States