TY - STAND AU - S. Stevens AU - C. Bankhead AU - T. Mukhtar AU - R. Perera-Salazar AU - T. Holt AU - C. Salisbury AU - F. Hobbs BT - BMJ Open DO - 10.1136/bmjopen-2017-018261 M1 - 11 PY - 2017 EP - e018261 T2 - BMJ Open TI - Patient-level and practice-level factors associated with consultation duration: a cross-sectional analysis of over one million consultations in English primary care VL - 7 SN - 2044-6055 ER -