Braun Digital Ear Thermometer, ThermoScan 5 IRT6500, Ear Thermometer for Babies, Kids, Toddlers and Adults, Display is Digital and Accurate, Thermometer for Precise Fever Tracking at Home : Amazon.co.uk: Health & Personal
Thermometers: How To Take Your Temperature – Cleveland Clinic
Tympanic Temperature – Vital Sign Measurement Across the Lifespan – 2nd Canadian Edition