97709document17814Manual_of_Operations.pdfapplication/pdf21dae6d211dacbdb9806ac5f73a7d10f42ce982465828f938e92c1d600d806d6SHA256152205802025-05-01 11:12:06https://datacompass.lshtm.ac.uk/id/eprint/4651/4/Manual_of_Operations.pdf