1. (ed): Davis Christopher Textbook of Surgery (ed 10). Philadelphia, Saunders, 1972, p 1570.
2. Antepartum Ultrasonic Diagnosis of Congenital Hydrocele
3. Ultrasound Diagnosis of Fetal Hydrocele
4. : Neonatology. Philadelphia, Lippincott, 1975, p 652.
5. : Textbook of Pediatrics (ed 9). Philadelphia, Saunders, 1969, p 823.