Molecular characterization of tat gene and long terminal repeat region of human immunodeficiency virus type-1 detected among the injecting drug users (IDUs) of Manipur, India: Identification of BC recombinants
1HIV/AIDS Research Laboratory, Divison of Virology, National Institute of Cholera and Enteric Diseases, P-33, C.I.T. Road, Scheme-XM, Beliaghata, Kolkata 700010, West Bengal, India