Fig. 4From: The efficacy of extracellular vesicles for acute lung injury in preclinical animal models: a meta-analysissubgroup analysis The subgroup meta-analysis of lung injury score that compares different origins of extracellular vesicles. The analysis didn’t detect any statistically significant difference among the stem-progenitor cell extracellular vesicles(1), non-stem progenitor cell extracellular vesicles(2)Back to article page