David L. Howard

Endomyocardial biopsy plays a role in diagnosing patients with unexplained cardiomyopathy.

R. Hruban, E. Kasper, K. Baughman, 2004, American heart journal.

A positive endomyocardial biopsy result for sarcoid is associated with poor prognosis in patients with initially unexplained cardiomyopathy.

E. Kasper, K. Baughman, J. Hare, 2005, American heart journal.

Underlying causes and long-term survival in patients with initially unexplained cardiomyopathy.

R H Hruban, R. Hruban, G. Felker, 2000, The New England journal of medicine.