According to a random number table in our hospital in June 2017 - June 2019 were treated 60 cases of severe pulmonary infection were divided into observation group and control group, 30 patients
According to the random number table method, 60 patients with severe lung infection admitted from June 2017 to June 2019 were divided into observation group and control group, each of 30 cases
According to the method of random number table, 60 patients with severe pulmonary infection admitted to our hospital from June 2017 to June 2019 were divided into observation group and control group, 30 cases in each group<br>