[Referral also applies in the following quarter].
Helmut
H
Walbert
D003920:Diabetes Mellitus / Q000191:economics* / Q000628:therapy*; D005858:Germany; D006801:Humans; D019458:Insurance Coverage / Q000191:economics / Q000331:legislation & jurisprudence; D007388:Internal Medicine / Q000191:economics* / Q000331:legislation & jurisprudence*; D009313:National Health Programs / Q000191:economics* / Q000331:legislation & jurisprudence*; D012017:Referral and Consultation / Q000191:economics* / Q000331:legislation & jurisprudence*