1) Webster, E.W., Alpert, N.M. and Brownell, G. L.: Radiation doses in pediatric nuclear medicine and diagnostic X-ray procedures, In“Pediatric Nuclear Medicine”, (James, A.E., Wagner, H.N. and Cooke, RE., eds.) pp. 34-58, W.B. Saunders, Philadelphia (1974)
2) Siddiqui, A.R.: General considerations, In“Nuclear Imaging in Pediatrics”, pp. 1-6, Year Book Medical Publishers, Inc., Chicago (1985)