TY - GEN AU - Gans,D N TI - Instruments to improve productivity and practice efficiency: the MGMA (Medical Group Management Association) cost and production surveys SN - 0148-9917 PY - 1989///0330 KW - Data Collection KW - Economics, Medical KW - Efficiency KW - Fees, Medical KW - Group Practice KW - organization & administration KW - Health Services Research KW - Medical Staff KW - standards KW - Societies, Medical KW - Specialization KW - United States N1 - Publication Type: Journal Article UR - https://doi.org/10.1097/00004479-198902000-00010 ER -