Plain packaging of waterpipe tobacco? A qualitative analysis exploring waterpipe smokers’ and non-smokers’ responses to enhanced versus existing pictorial health warnings in Egypt
Aya Mostafa, Heba Tallah Mohammed, Wafaa Mohamed Hussein, Mahmoud Elhabiby, Wael Safwat, Sahar Labib, Aisha Aboul Fotouh, Janet Hoek
BMJ Open Oct 2018, 8 (10) e023496; DOI: 10.1136/bmjopen-2018-023496