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- An overview of clinical back pain, looking at common aetiology and methods of avoiding reinjury.

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- how is icterus graded in neonates?

- 1.ALP and GGT elevated > ALT, elevated bilirubin suggesting obstructive liver enzyme picture with mild biochemical jaundice and transaminitis

- Illustration of the nasal cavity, paranasal sinuses, pharynx, larynx, trachea and esophagus.