- Acute knee injuries. Brukner & Khan’s Clinical Sports Medicine (5th ed, online). McGraw-Hill Medical. csm.mhmedical.com, published 2017
- Knee ligament injuries. PatientPlus. patient.info/patientplus, last checked 15 February 2017
- Posterior cruciate ligament injury. Medscape. emedicine.medscape.com, updated 20 March 2017
- Knee pain – assessment. NICE Clinical Knowledge Summaries. cks.nice.org.uk, last revised August 2017
- Assessment of knee injury. BMJ Best Practice. bestpractice.bmj.com, last reviewed February 2018
- Sprains and strains. NICE Clinical Knowledge Summaries. cks.nice.org.uk, last revised March 2016
Reviewed by Pippa Coulter, Freelance Health Editor, Bupa Health Content Team, April 2018
Expert reviewer Elisabeth Morgans, Bupa Physiotherapist
Next review due April 2021
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