Davies, P.A. , and Smallpeice, V.: The single transverse palmar crease in infants and children. Dev. Med. Child Neurol.5: 491, 1963.
2.
Johnson, C.F. , and Opitz, E.: Unusual palm creases and unusual children: The Sydney line and "type C" palmar lines and their clinical significance in a child development clinic. Clin. Pediatr.12: 101, 1973.
3.
Johnson, C.F. : The single umbilical artery and what it means: A message straight from the naval. Clin. Pediatr.12: 367, 1973.
4.
Chemke, J., and Robinson, A.: The third fontanelle. J. Pediatr.75: 617, 1969.
5.
Smith, D.W.: Recognizable patterns of human malformation. Philadelphia , Saunders, 1970.
6.
Johnson, C.F. : The Child's Hand a Key to Diagnosis. New York, Med. Com., 1974.
7.
Jaffe, B.F.: Pinna anomalies associated with congenital conductive hearing loss. Pediatrics57: 332, 1976.