title: False-negative delayed imaging in Meckel's diverticulum.
mesh_terms: D005188:False Negative Reactions; D006801:Humans; D007223:Infant; D008467:Meckel Diverticulum / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D013670:Sodium Pertechnetate Tc 99m; D013997:Time Factors
chemical_list: D013670:Sodium Pertechnetate Tc 99m