title: False negative meconium test results in screening for cystic fibrosis.
mesh_terms: D003550:Cystic Fibrosis / Q000175:diagnosis*; D005188:False Negative Reactions; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008403:Mass Screening / Q000592:standards*; D008470:Meconium / Q000378:metabolism; D010179:Pancreas / Q000201:enzymology; D011506:Proteins / Q000378:metabolism
chemical_list: D011506:Proteins