Sattler, Sebastian ; Zolala, Farzaneh; Baneshi, Mohammad Reza; Ghasemi, Javad; Amirzadeh Googhari, Saber: Public Stigma Toward Female and Male Opium and Heroin Users. An Experimental Test of Attribution Theory and the Familiarity Hypothesis. In: Frontiers in Public Health. Jg.9. 2021