![Missing laboratory test data in electronic general practice records: analysis of rheumatoid factor recording in the clinical practice research datalink]()
Missing laboratory test data in electronic general practice records: analysis of rheumatoid factor recording in the clinical practice research datalinkSammon, Cormac J.; Miller, Anne; Mahtani, Kamal R.; Holt, Tim A.; McHugh, Neil J.; Luqmani, Raashid A.; Nightingale, Alison L. · Pharmacoepidemiology and Drug Safety · 2015