An (alcohol abuse) can be concurrent.Logical formLearned from2 sentences. A chapter may provide an approach to concurrent use of substances.Logical formLearned from2 sentences. An approach can be to concurrent use of substances.Logical formLearned from2 sentences. Axis can be concurrent.Logical formLearned from2 sentences. Abusers can be concurrent.Logical formLearned from2 sentences. (Treatment services) can be concurrent.Logical formLearned from2 sentences. An indinavir can be concurrent.Logical formLearned from2 sentences. A (solo career) can be concurrent.Logical formLearned from2 sentences. A (first-person knowledge) can be concurrent.Logical formLearned from2 sentences. Descriptions can be concurrent.Logical formLearned from2 sentences. A scientific illiteracy can be concurrent with a spread of magical thinking.Logical formLearned from2 sentences. Packets can be concurrent.Logical formLearned from2 sentences. An ability can be concurrent.Logical formLearned from2 sentences. A metabolism can be concurrent.Logical formLearned from2 sentences. Some concurrent flows can be constituted-of-or-filled-with activity.Logical formLearned from2 sentences.