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    Comparison of Three Anatomic Sheep Models for Magnetic Resonance Safety
    (Ieee, 2015) Erguder, Hamza; Turdumamatov, Samat; Ergul, Muhammed; Malas, Tahir
    We compare three anatomical sheep models to assess possible heating effects of magnetic resonance imaging. We generate i) homogenous, ii) three-layered, and iii) seven-tissue models and compute specific absorption rate (SAR) and temperature increase on those models. We conclude that the homogenous model overestimates both SAR and heating whereas the three-tissue model underestimates those (although slightly) compared to more accurate seven-tissue model. However, simulations with both homogenous and three-layered models can be performed much faster and using fewer computational resources compared to more accurate models, hence, can be viable alternatives to simulations with a more accurate anatomic model.