求翻译：以我院2010年2月以来符合Ⅱ型分裂症诊断的患者120例，随机分为研究组和对照组，每组各60例，于治疗前及治疗2 w、4 w、8 w、12 w末采用阳性与阴性症状量表、临床总体印象量表、副反应量表、实验室检查评定临床疗效及不良反应。是什么意思？

To our hospital since February 2010 in line with the diagnosis of type Ⅱ 120 patients with schizophrenia were randomly divided into study group and control group of 60 patients before treatment and at 2 w, 4 w, 8 w, 12 w End the use of positive and negative syndrome scale, the Clinical Global Impres

In my house since February 2010 II in transition with schizophrenia patients diagnosed 120 randomly divided into research, legislation and control groups, each group in the 60 pre-treatment and treatment, 2W, 4W, 8W, 12w end of the positive and negative symptoms, clinical overall impression volume v

In February, 2010 has tallied since by my courtyardⅡThe fission sickness diagnosis patient 120 examples, divide into the study team and the control group stochastically, each group of each 60 examples, and treat 2 w, 4 w, 8 w, 12 at the end of w before the treatment use masculine and the negative sy

To our hospital since February 2010 in line with 120 cases of type ⅱ schizophrenia diagnosis, randomly divided into study and control groups, each group of 60 patients each, than before treatment and treatment 2 w, 4 w, 8 w, 12 w end of positive and negative syndrome scale, overall impression, clini