Objectives Acute anterior ischaemic optic neuropathy (AION) is a feared ischaemic complication of giant cell arteritis (GCA). However, distinguishing arteritic AION (A-AION) from its non-arteritic ...
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China's C919 large passenger jet completes maiden commercial flight, marking aviation milestone
The C919 is a homegrown helicopter in China that has travelled many miles since it first appeared in the commercial airspace ...
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