Fig. 2From: The effect of donor human milk on the length of hospital stay in very low birthweight infants: a systematic review and meta-analysisThe effects of DHM on the length of hospital stay compared to PF. A. RCTS; B. observational studies. Squares (â– ) represent the effect size of each study. Diamonds (â—†) represent the pooled effect size. DHM, donor human milk; PF, preterm infant formulaBack to article page