Karl Johnson

The Use of Melatonin as an Alternative to Sedation in Uncooperative Children Undergoing an MRI Examination

Karl Johnson, Anthony Page, Helen Williams et al. · Clinical Radiology · 2002 · 79 citations

Sleep, Pediatrics, Anesthesia Practice +9

Clinical assessment and core outcome variables are poor predictors of hip arthritis diagnosed by MRI in juvenile idiopathic arthritis

Kiran Nistala, Judith Babar, Karl Johnson et al. · Lara D. Veeken · 2006 · 56 citations

MRI in the management of scaphoid fractures in skeletally immature patients

Karl Johnson, Susan F. Haigh, Kirsty E. Symonds · Pediatric Radiology · 2000 · 55 citations

Skeletal Trauma, Fracture Diagnostics, Scaphoid Fractures +7

Magnetic resonance imaging identifies features in clinically unaffected knees predicting extension of arthritis in children with monoarthritis.

Janet Gardner‐Medwin, Orla Killeen, Clive Ryder et al. · PubMed · 2006 · 52 citations

Evaluation of mebrofenin hepatoscintigraphy in neonatal-onset jaundice

Karl Johnson, H. Alton, S. Chapman · Pediatric Radiology · 1998 · 51 citations

Neonatology, Hepatology, Liver Physiology +5