Depression, prevalence and some risk factors in elderly nursing homes in tehran, iran - Nazemi, Lyly; Skoog, Ingmar; Karlsson, Ingvar; Hosseini, Saeed; Hosseini, Mostafa; Hosseinzadeh, Mohammad Javad; Mohammadi, Mohammad Reza; Pouransari, Zahra; Chamari, Maryam; Baikpour, Masoud (Iranian Journal of Public Health)