Moskop JC, Sklar DP, Geiderman JM, Schears RM, Bookman KJ. Emergency department crowding, part 1-concept, causes, and moral consequences. Ann Emerg Med. 2009;53:605–11.
Olshaker JS. Managing emergency department overcrowding. Emerg Med Clin North Am. 2009;27:593–603.
Bellow A, Gillespie G. The Evolution of ED Crowding. J Emerg Nurs. 2014;40:153–60.
Giesen P, Smits M, Huibers L, Grol R, Wensing M. Quality of after-hours primary care: a narrative review. Ann Int Med. 2011;155:108–13.
Grol R, Giesen P, Van Uden C. After-hours care in the United Kingdom, Denmark and the Netherlands: New models. Health Aff (Millwood). 2006;25:1733–7.
Mehrotra A, Wang MC, Lave JR, Adams JL, McGlynn EA. Retail clinics, primary care physicians, and emergency departments: a comparison of patients’ visits. Health Aff (Millwood). 2008;27:1272–82.
O’Malley AS, Samuel D, Bond AM, Carrier E. After-hours care and its coordination with primary care in the U.S. J Gen Intern Med. 2012;27:1406–15.
Verheij R, van den Hoogen H. Vooral kinderen op de huisartsenpost. [Predominantly children at the GP cooperative]. Huisarts Wet. 2006;49:233.
Lowe R, Localio A, Schwarz D, Williams S, Tuton L, Maroney S, et al. Association between primary care practice characteristics and emergency department use in a medicaid managed care organization. Med Care. 2005;43:792–800.
Padela A, Punekar I. Emergency medical practice: advancing cultural competence and reducing health care disparities. Acad Emerg Med. 2009;16:69–75.
Scaife B, Gill P, Heywood P, Neal R. Socio-economic characteristics of adult frequent attenders in general practice: secondary analysis of data. Fam Pract. 2000;17:298–304.
Zielinski A, Borgquist L, Halling A. Distance to hospital and socioeconomic status influence secondary health care use. Scand J Prim Health Care. 2013;31:83–8.
Hunt K, Weber E, Showstack J, Colby D, Callaham M. Characteristics of frequent users of emergency departments. Ann Emerg Med. 2006;48:1–8.
Lee J, Sung J, Ward W, Fos P, Lee W, Kim J. Utilization of the emergency room: impact of geographic distance. Geospat Health. 2007;1:243–53.
Kellerman A, Weinick R. Emergency departments, medicaid costs, and access to primary care - understanding the link. N Eng J Med. 2012;366:2141–3.
Sarver JH, Cydulka RK, Baker DW. Usual source of care and nonurgent emergency department use. Acad Emerg Med. 2002;9:916–23.
Rust G, Ye J, Baltrus P, Daniels E, Adesunloye B, Fryer GE. Practical barriers to timely primary care access: impact on adult use of emergency department services. Arch Intern Med. 2008;168:705–1710.
Schoen C, Osborn R, Doty M, Bishop M, Peugh J, Murukutia N. Toward higher-performance health systems: adults’ health care experiences in seven countries. Health Aff (Millwood). 2007;26:w717–33.
Harris M, Patel B, Bowen S. Primary care access and its relationship with emergency department utilization: an observational, cross-sectional, ecological study. Br J Gen Pract. 2011;6:e787–93.
Cowling T, Harris M, Watt H, Gibbons D, Majeed A. Access to general practice and visits to accident and emergency departments in England: cross-sectional analysis of a national patient survey. Br J Gen Pract. 2014;64:e434–9.
Baker R, Bankart MJ, Rashid A, Banerjee J, Conroy S, Habiba M, et al. Characteristics of general practices associated with emergency-department attendance rates: a cross-sectional study. BMJ Qual Saf. 2011;20:953–8.
Zhou Y, Abel G, Warren F, Roland M, Campbell J, Lyratzopoulos G. Do difficulties in accessing in-hours primary care predict higher use of out-of-hours GP services? Evidence from an English National Patient Survey. Emerg Med J. 2015;32:373–8.
Cowling T, Cecil EV, Soljak MA, Lee JT, Millett C, Majeed A, et al. Access to primary care and visits to emergency departments in England: a cross-sectional, population-based study. PLoS One. 2013;8, e66699.
Giesen P, Hammink A, Mulders A, Oude Bos A. Te snel naar de huisartsenpost [Low barriers to contact GP cooperative]. Med Contact. 2009;64:239–43.