Factor structure of the bengali version of the fagerstrom test for nicotine dependence questionnaire: A cross-sectional study oleh Abhijit Dutta, Puja Bhakta, Anaitulah Ahmed Mir, Suman Singh, Athia Sylvia Saprunamei, Ramkripal Prajapati, Deepak Kumar Pandey, Ch Lily Anal, Nitin Saklani, Rachna Goenka, Subhas Singh, Abhijit Chattopadhyay, Pralay Sharma, Satarupa Sadhukhan, Sk Swaif Ali, Munmun Koley, Subhranil Saha