Methylphenidate (Ritalin) abuse.
D000328:Adult; D006099:Granuloma / Q000139:chemically induced; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D008774:Methylphenidate / Q000008:administration & dosage / Q000009:adverse effects*; D010019:Osteomyelitis / Q000139:chemically induced; D010995:Pleural Diseases / Q000139:chemically induced; D019966:Substance-Related Disorders
D008774:Methylphenidate