1. Bickley LS, Szilagyi PG. Bates' guide to physical examination and history taking. 12th edn. Philadelphia (PA): Wolters Kluwer; 2017
2. Gregory P, Mursell I. Manual of clinical paramedic procedures. Chicester: John Wiley & Sons; 2010
3. Innes JA, Dover AR, Fairhurst K. M Macleod's clinical examination. 14th edn. London: Elsevier; 2018
4. Clinical exam: an introduction