Injections can be diagnostic.Logical formLearned from4 sentences. (Injection drug users) may undergo populations.Logical formLearned from4 sentences. A methamphetamine may undergo injections.Logical formLearned from4 sentences. An injection can be concomitant.Logical formLearned from4 sentences. An (injection drug use) can be continued.Logical formLearned from4 sentences. An intravenous injection can be constituted-of-or-filled-with cocaine.Logical formLearned from4 sentences. Injections may be increased.Logical formLearned from4 sentences. A saline may undergo injections.Logical formLearned from4 sentences. A result can be constituted-of-or-filled-with (injection drug use).Logical formLearned from4 sentences. (Infection rates) can be among (injection drug users).Logical formLearned from4 sentences. Cases can be attributable to (injection drug use).Logical formLearned from4 sentences. Illicit drugs may undergo an injection.Logical formLearned from4 sentences. A transition can be to (injection drug use).Logical formLearned from4 sentences. Women may use (injection drugs).Logical formLearned from4 sentences. Subjects may deny a history of (injection drug use).Logical formLearned from4 sentences.