1. Dixit PK, Sahai SB, Rath Bet al. Norms for renal parenchymal volume in Indian Children.Indian Paediatr 1994; 31: 1059–1064.
2. Gupta AK, Anand NK, Lamba IMS. Ultrasound evaluation of kidney dimensions in neonates.Indian Pediatr 1993; 30: 319–324.
3. Lyons EA, Murphy AV, Arneil FC. Sonar and its uses in kidney diseases in children.Arch Dis Child 1972; 47: 777–786.
4. Blane CE, Bookstein FL, Dipietro MA, Kelsch RC. Sonographic standards for normal infant kidney length.Amer J Radiol 1985; 145: 1289–1291.
5. Laboratory medicine and reference tables. In:Nelson Textbook of, Pediatrics 14th Ed. Behrman RE, Klelgman RM (Assoc. Ed), Nelson WE, Vaughan III VC (Sen Eds). 14th Edn. Philadelphia, WB Saunders & Co 1992, p 1827.