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Variation in injecting drug use behavior across different N..:

Subrata Biswas ; Piyali Ghosh ; Debjit Chakraborty...
http://www.ijph.in/article.asp?issn=0019-557X;year=2020;volume=64;issue=5;spage=71;epage=75;aulast=Biswas.  , 2020