AIM: to explore the relation between diabetic retinopathy (DR) and systemic factors through factor analysis.
目的：探讨糖尿病视网膜病变(DR)与全身因素的关系。
2
The systemic observation in the field for many years showed that temperature was the main factor affecting the dynamics of citrus canker in the stage of spring sprouting.
多年田间系统观察表明，柑橘溃疡病的消长，在春梢期，主要影响因子为气温。
3
Objective: to investigate the clinical feature, pathogenesis, and therapy of Primary systemic amyloidosis with acquired factor-X deficiency.