Thubrikar, Mano J.; Deck, J. David; Aouad, Jaafar; Nolan, Stanton P. (July 1983). "Role of mechanical stress in calcification of aortic bioprosthetic valves". The Journal of Thoracic and Cardiovascular Surgery. 86 (1): 115–125. doi:10.1016/S0022-5223(19)39217-7. PMID6865456.[non-primary source needed]
Thubrikar, Mano J.; Deck, J. David; Aouad, Jaafar; Nolan, Stanton P. (July 1983). "Role of mechanical stress in calcification of aortic bioprosthetic valves". The Journal of Thoracic and Cardiovascular Surgery. 86 (1): 115–125. doi:10.1016/S0022-5223(19)39217-7. PMID6865456.[non-primary source needed]