Results: The sample size was , the average of age was 8.a+.8a, among them 0 (.98%) used syringe, and (7.%) of them shared syringe with others.
Results: The sample size was , the average of age was 8.a+.8a, among them 0 (.98%) used syringe, and (7.%) of them shared syringe with others.
果:⑴被调查对象 例,平均年龄8.a±s.8a,其中0例(.98%)使用注射器,在注射吸毒者中有例(占注射吸毒的7.%)与他人共用注射器。