title: Cord IgM levels in Latin American neonates.
mesh_terms: D001769:Blood; D003906:Developing Countries; D005260:Female; D006166:Guatemala; D006801:Humans; D005779:Immunodiffusion; D007075:Immunoglobulin M / Q000032:analysis*; D007136:Immunoglobulins / Q000032:analysis; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000276:immunology*; D010568:Peru; D011247:Pregnancy; D012923:Social Class; D014470:Umbilical Cord
chemical_list: D007075:Immunoglobulin M; D007136:Immunoglobulins