Human immunodeficiency virus type 1 env sequences from Calcutta in eastern India: identification of features that distinguish subtype C sequences in India from other subtype C sequences.
Journal Of Virology
Shankarappa, R R; Chatterjee, R R; Learn, G H GH; Neogi, D D; Ding, M M; Roy, P P; Ghosh, A A; Kingsley, L L; Harrison, L L; Mullins, J I JI; Gupta, P P