Olaf Bergmann and his colleagues at the Karolinska Institute in Stockholm tested samples of heart muscle from people born before 1955 who had very little cardiac muscle around their heart, many showing with disabilities from this abnormality.
Olaf Bergmann e os seus colegas do Instituto Karolinska de Estocolmo comprobaron mostras de músculo cardíaco de persoas nacidas antes de 1955 que tiñan moi pouco músculo cardíaco no seu corazón, o que facía que moitos deles presentasen diversas incapacidades por esta causa.