Journal: South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde
Publication Year: 1995
Authors & Co-authors: Robertson B B Ensink K K
Publication Year: 1998
Authors & Co-authors: Ensink K K Robertson B A BA Zissis C C Leger P P de Jager W W
Journal: Journal of the American Academy of Child and Adolescent Psychiatry
Publication Year: 1999
Authors & Co-authors: Robertson B A BA Ensink K K Parry C D CD Chalton D D