The researchers then used a complex statistical procedure called "factor analysis" to analyze subjects' dietary habits.

Objective The aim of this study is to analyze relevant factor to patients' condition in obstructive sleep apnea-hypopnea syndrome (OSAHS) merging chronic obstructive pulmonary disease (COPD).

Objective to analyze the influence of topical application of nerve growth factor on nerve ending regeneration of large skin grafts in patients.