Medicare prescription drug coverage gap: navigating the "doughnut hole" with patients.
Berkowitz
Scott A
SA
Schools of Medicine, Johns Hopkins University, Baltimore, Md, USA.
Gerstenblith
Gary
G
Anderson
Gerard F
GF
D003363:Cost Control; D011307:Drug Prescriptions / Q000191:economics*; D005382:Financing, Personal; D007356:Insurance, Pharmaceutical Services / Q000191:economics*; D006278:Medicare / Q000191:economics*; D014481:United States