. "C2827011"^^ . . "A character or string that represents a substance usage group.NCI" . "Substance_Use_Group_Identifier"^^ . "C83422"^^ . "Substance Use Group Identifier"^^ . "Intellectual Product"^^ . "SUGRPIDPTCDISC" . . "Substance Use Group Identifier"^^ . "Substance Use Group IdentifierPTNCI" .