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Heart attack acute chest pain injury difficulty breathing fat pads trauma fever shock viral bacterial fungal rate mRNA COVID-19 muscle dyspnea arrest unstable angina X-RAY diagnose Lupus virus cancer
woman on bed, holding hand to spot of pain area, mark red spot on her bottom ,She has Butt pain,Hemorrhoids recurrent,health care concept
Headache disorders are a group of conditions characterized by recurrent or persistent head pain that can affect daily activities and quality of life. the main types include tension-type headaches.
The backpropagation algorithm illustration, scientific infographics style. Deep neural network.

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