Cost-effectiveness of technetium pyrophosphate scintigraphy versus heart biopsy for the diagnosis of transthyretin amyloidosis. (29th March 2019) - Ruiz-Negrón, Natalia; Nativi-Nicolau, Jose; Maurer, Mathew S.; Moran, Andrew E.; Kovacsovics, Tibor; Bellows, Brandon K.