Isabel Martins, Martin Lauterbach, Peter Slade, Henriques Luís, Timothy DeRouen, Michael Martin, Alexandre Caldas, Jorge Leitão, Gail Rosenbaum, Brenda Townes,
A longitudinal study of neurological soft signs from late childhood into early adulthood Developmental Medicine & Child Neurology. ,vol. 50, pp. 602- 607 ,(2008) ,
10.1111/J.1469-8749.2008.03043.X