Pinhas lessons.
D016363:Antitrust Laws; D003132:Commerce / Q000331:legislation & jurisprudence; D015141:Los Angeles; D008505:Medical Staff, Hospital / Q000331:legislation & jurisprudence*; D009885:Ophthalmology / Q000191:economics / Q000331:legislation & jurisprudence; D010380:Peer Review / Q000331:legislation & jurisprudence*; D014481:United States