Analysis of risk factors of severe retinopathy of prematurity / 中华眼底病杂志

4 days, so it is recommended to screen such premature infants carefully.

Test for quality control in the survey of infection rate of schistosomiasis / 中国血吸虫病防治杂志

Objective To make the quality control of the tests used in the schistosomiasis survey. Methods A specific new method was proposed to test the independency of three tests in order to control the quality of the survey. Simulated data and real survey data were used to discuss the adaptability of the method. Results The simulated data and the real data both revealed that the new method could be used to test the independency of three tests. Conclusions The new approach can be applied in the quality control of schistosomiasis survey and is of high value for wide application.