title: Letter: Necrotizing enterocolitis: protective factor in breast milk.
mesh_terms: D004761:Enterocolitis, Pseudomembranous / Q000276:immunology*; D005260:Female; D006801:Humans; D007136:Immunoglobulins / Q000032:analysis; D008895:Milk, Human / Q000276:immunology*
chemical_list: D007136:Immunoglobulins