[In search of motivated self-pay patients].
Baruch
Michael
M
D003362:Cost-Benefit Analysis; D005382:Financing, Personal / Q000191:economics*; D005858:Germany; D005102:Health Expenditures; D006801:Humans; D009313:National Health Programs / Q000191:economics*; D009885:Ophthalmology / Q000191:economics*; D010817:Physician-Patient Relations