[Billing references of Dr. Machens. Secondary medical history--how number 4 will not be canceled any more].
Machens
Roman
R
D005245:Fee Schedules; D005858:Germany; D006801:Humans; D007872:Legal Guardians; D008487:Medical History Taking; D009313:National Health Programs / Q000191:economics*; D012051:Reimbursement Mechanisms / Q000191:economics*