1. Comparison of dissolved and particulate arsenic distributions in shallow aquifers of Chakdaha, India, and Araihazar, Bangladesh Métral, Jerome; Charlet, Laurent; Bureau, Sara; Mallik, Sukumar; Chakraborty, Sudipta; Ahmed, Kazi; Rahman, M.W.; Cheng, Zhongqi; van Geen, Alexander 2008 Articles Groundwater--DatingGroundwater--Arsenic contentSoils--Arsenic contentGeomorphologyGeochemistry