“…Studies were excluded from the meta-analysis, (1) if the rEpo treatment was begun after the first week of life, (2) if the studies were not clinical trials [18][19][20][21][22] or were not randomized, blinded, or placebo-controlled, 23,24 (3) if a control group (neonates that did not receive rEpo) was not reported, 25,26 and (4) if the birth weight of study subjects was >1500 g.…”