1. Herbal medicine: an introduction to its history, usage, regulation, current trends, and research needs;Wachtel-Galor,2011
2. Does switching to a tobacco-free waterpipe product reduce toxicant intake? A crossover study comparing CO, NO, PAH, volatile aldehydes, “tar” and nicotine yields;Shihadeh;Food Chem Toxicol,2012
3. Asian herbal-tobacco cigarettes:“not medicine but less harmful”?;Chen;Tob Control,2007
4. Bidi tobacco;Kamboj;Br Dent J,2008
5. Herbal smoking products: a systematic content analysis and mapping of the e-retail market;Gupta;Tob Control,2021