Intravenous injection can be constituted-of-or-filled-with narcotic analgesics.Logical formLearned from2 sentences. Intravenous injection of narcotic analgesics may increase an incidence of adverse reactions.Logical formLearned from2 sentences. Symptoms can be narcotic.Logical formLearned from2 sentences. A (withdrawal syndrome) can be narcotic.Logical formLearned from2 sentences. Issues can be narcotic.Logical formLearned from2 sentences. (Emergency department patients) may involve narcotic analgesics.Logical formLearned from2 sentences. Persons may be addicted to narcotic drugs.Logical formLearned from2 sentences. Narcotic drugs can be for purposes.Logical formLearned from2 sentences. Narcotic drugs can be in schedule.Logical formLearned from2 sentences. A narcotic drug may be used.Logical formLearned from2 sentences. (Analgesics/ combinations) can be narcotic.Logical formLearned from2 sentences. Risk can be for use of narcotic analgesics.Logical formLearned from2 sentences. (Addiction treatment clinics) can be narcotic.Logical formLearned from2 sentences. A (treatment research) can be narcotic.Logical formLearned from2 sentences. Patients can be dependent on narcotic analgesics.Logical formLearned from2 sentences.