title: Relationship of surface area on roentgenograms and radioisotopic scans to organ volumes.
mesh_terms: D015502:Absorptiometry, Photon; D001699:Biometry; D006801:Humans; D008722:Methods; D008954:Models, Biological; D009929:Organ Size; D011866:Radioisotope Renography; D011877:Radionuclide Imaging; D013154:Spleen / Q000000981:diagnostic imaging*; D013961:Thyroid Gland / Q000000981:diagnostic imaging*