Keizer, E., Smits, M., Peters, Y., Huibers, L., Giesen, P., & Wensing, M. (2015). Contacts with out-of-hours primary care for nonurgent problems: Patients’ beliefs or deficiencies in healthcare? BMC Fam Pract.

Keizer, Ellen, Marleen Smits, Yvonne Peters, Linda Huibers, Paul Giesen, a Michel Wensing. "Contacts With Out-of-hours Primary Care for Nonurgent Problems: Patients’ Beliefs or Deficiencies in Healthcare?" BMC Fam Pract 2015.

Keizer, Ellen, et al. "Contacts With Out-of-hours Primary Care for Nonurgent Problems: Patients’ Beliefs or Deficiencies in Healthcare?" BMC Fam Pract 2015.