Renton, BJ; Bastawrous, A; (2011) Acute Angle Closure Glaucoma (AACG): an important differential diagnosis for acute severe headache. Acute medicine, 10 (2). pp. 77-8. ISSN 1747-4884 https://researchonline.lshtm.ac.uk/id/eprint/27902 Full text not available from this repository.