25 Grogan Grogan M M Scott Scott C C Kyle Kyle R R Zeldenrust Zeldenrust S S Gertz Gertz M M Lin Lin G G Natural History of Wild-Type Transthyretin Cardiac Amyloidosis and Risk Stratification Using a Novel Staging System Natural History of Wild-Type Transthyretin Cardiac Amyloidosis and Risk Stratification Using a Novel Staging System J Am Coll Cardiol J Am Coll Cardiol 2016 2016 68 68 10 10 1014 1014 1020 1020 10.1016/j.jacc.2016.06.033 10.1016/j.jacc.2016.06.033 27585505 27585505. Here, TTR is linked to cardiac amyloidosis.