1. Textbook of neonatalogy;Roberton, N.R.C.
2. Hospital paediatrics;Milner, A.D.; Hull, D.,1984
3. Manual of neonatal intensive care;Roberton, N.R.C.,1986
4. Management of paroxysmal tachycardia;Wilkinson, J.L.;Arch Dis Child,1983
5. Side effects of verapamil in infants;Radford, D.;Arch Dis Child,1983