Table 1.

Demonstrating the search terms used in retrieving the reports

1 Shamma OR Shammah OR Snus OR Tobacco OR Toombak OR Maras OR Neffa

2 Oral cancer OR Mouth cancer OR Mouth neoplasm OR Oral neoplasm OR Oral squamous cell carcinoma OR Head and neck cancer OR Cancer of mouth OR Head and neck neoplasm

3 Algeria OR Bahrain OR Djibouti OR Dubai OR United Arab Emirates OR Egypt OR Iran OR Iraq OR Jordan OR Kuwait OR Lebanon OR Libya OR Morocco OR Oman OR Palestine OR Qatar OR Saudi Arabia OR Syria OR Tunisia OR West Bank and Gaza OR Yemen OR Middle East OR North Africa