Partial biotinidase deficiency: Clinical and biochemical features The Journal of Pediatrics, Volume 116, Issue 1, January 1990, Pages 78-83 Julie R. Secor McVoy, Harvey L. Levy, Michael Lawler, Michael A. Schmidt, Douglas D. Ebers, P. Suzanne Hart, Denise Dove Pettit, Miriam G. Blitzer, Barry Wolf