... Negarandeh R, Oskouie E, Ahmadi F, Nikravesh M, Hallberg IR:Patient advocacy: barriers and facilitators. BMC Nursing 2006,5:3.32. Dehghan Nayeri N, Nazari A, Salsali M, Ahmadi F, Adib Hajbaghery ... Dehghan Nayeri and Reza Negarandeh*Address: School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, IranEmail: Nahid Dehghan Nayeri - nahid.nayeri@gmail.com; Reza Negarandeh* ... occurrence.Some managers were seen to have mistreated staff, shownunreasonable behaviour, discriminated, suddenlychanged style, failed to understand and support the staff,violated staff rights, aggravated...