%0 Journal Article %T The prevalence and trends of waterpipe tobacco smoking: A systematic review %A Andrea Darzi %A Elie A. Akl %A Mohammed Jawad %A Rami A. Ballout %A Rana Charide %A Reem Waziry %J Archive of "PLoS ONE". %D 2018 %R 10.1371/journal.pone.0192191 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5806869/