Kjell å Salvesen, Sturla H Eik-Nes, Lars J Vatten, Kenneth Hugdahl, Leiv S Bakketeig
Salvesen K /span>, Eik-Nes S H, Vatten L J, Hugdahl K, Bakketeig L S.
Routine ultrasound scanning in pregnancy: Link with left handedness not established: Authors' reply
British Medical Journal 1993; 307 :1562
doi:10.1136/bmj.307.6918.1562-a