1.1. Analysis.
Comparison 1 Oropharyngeal colostrum (OPC) versus control (water, saline, or no intervention), Outcome 1 Incidence of necrotising enterocolitis (NEC).
Comparison 1 Oropharyngeal colostrum (OPC) versus control (water, saline, or no intervention), Outcome 1 Incidence of necrotising enterocolitis (NEC).