M.D. referrals clarified.
Burda
D
D
Lutz
S
S
D002140:California; D005607:Fraud / Q000331:legislation & jurisprudence*; D007753:Laboratories / Q000331:legislation & jurisprudence*; D010824:Physicians' Offices / Q000331:legislation & jurisprudence*; D012017:Referral and Consultation / Q000331:legislation & jurisprudence*