JAK2 gene exon 12 mutation analysis (Structured abstract)      
Janus kinase 2 (JAK2) p.Val617Phe testing for myeloproliferative neoplasms (Structured abstract)      
Janus kinase 2 (JAK2) sequence variants (including V617F) for chronic myeloproliferative disorders (Structured abstract)      
JC virus antibody testing for patients with MS: a review of the diagnostic accuracy and guidelines (Structured abstract)      
Jet injectors in the administration of medicines and vaccines: a rapid review (Structured abstract)      
Jewellery and the risk of bacteria transmission from healthcare worker to patient: clinical evidence (Structured abstract)      
Judicious use of 14 laboratory tests (Structured abstract)      
Junctional tourniquets for controlling hemorrhage from wounds in adults: a review of clinical effectiveness, cost-effectiveness, safety, and guidelines (Structured abstract)      
Just and legitimate priorities - a study of priority setting in primary care (Project record)