How widespread is working at scale in English general practice? An observational study

The impact of new forms of large-scale general practice provider collaborations on England’s NHS: a systematic review

(2018) Luisa M Pettigrew et al.   BRITISH JOURNAL OF GENERAL PRACTICE

Variations in achievement of evidence-based, high-impact quality indicators in general practice: An observational study

(2017) Thomas A. Willis et al.   PLoS One

The Paradox of Size: How Small, Independent Practices Can Thrive in Value-Based Care

(2016) F. Mostashari   ANNALS OF FAMILY MEDICINE

Small Primary Care Physician Practices Have Low Rates Of Preventable Hospital Admissions

(2014) Lawrence P. Casalino et al.   HEALTH AFFAIRS

Total Expenditures per Patient in Hospital-Owned and Physician-Owned Physician Organizations in California

(2014) James C. Robinson et al.   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

Does practice size matter? Review of effects on quality of care in primary care

(2013) Charis Wei Ling Ng et al.   BRITISH JOURNAL OF GENERAL PRACTICE

Delivery System Integration and Health Care Spending and Quality for Medicare Beneficiaries

(2013) J. Michael McWilliams et al.   JAMA Internal Medicine