TY - GEN AU - Walbert,Helmut TI - [What to do when patients change the health insurance group] SN - 1438-3276 PY - 2016///0712 KW - General Practice KW - legislation & jurisprudence KW - Germany KW - Humans KW - Insurance Carriers KW - Insurance Coverage KW - National Health Programs N1 - Publication Type: Journal Article ER -