Secondhand smoking, knowledge/attitudes and socioeconomic status among married Bangladeshi women: a cross-sectional study oleh Mosiur Rahman, Sheikh Mohammad Mahmudul Hasan, Syed Emdadul Haque, Nuruzzaman Haque, Mosfequr Rahman, Golam Mostofa, Sarwar Zahan, Durrul Huda, Saber Al- Sobaihi, Kapil Ahmed, Howlader Mohammad Miraz Mahmud