TY - GEN AU - Viebahn,Richard TI - [Health care research for improving quality] SN - 1438-9592 PY - 2014///1219 KW - Appendectomy KW - standards KW - Femoral Neck Fractures KW - surgery KW - Germany KW - Health Services Research KW - Hernia, Ventral KW - Herniorrhaphy KW - Humans KW - National Health Programs KW - Quality Improvement KW - Registries KW - Surgical Procedures, Operative N1 - Publication Type: Journal Article UR - https://doi.org/10.1055/s-0034-1375220 ER -