A reference entry of the Cochrane Database of Systematic Reviews does not include a volume, issue number or page numbers:
Mistiaen, P., & Poot, E. (2006). Telephone follow-up, initiated by a hospital-based health professional, for postdischarge problems in patients discharged from hospital to home. Cochrane Database of Systematic Reviews. https://doi.org/10.1002/14651858.CD004510.pub3