abbr.United States Operations Mission 美国援外使团
The 18 months follow - up results evaluated with modified USPHS evaluation criterion.
每组54颗牙,临床观察18个月后,用美国公共健康部制定的评定系统(USPHS)进行疗效评估.
The restoration quality was evaluated using modified USPHS standard every six months.
并由两位医师每半年按照改良的USPHS标准对修复体进行评价.