Nina Ståhlberg, Roxana Merino, Luis Henríquez Hernández, Leandro Fernández-Pérez, Albin Sandelin, Pär Engström, Petra Tollet-Egnell, Boris Lenhard, Amilcar Flores-Morales
BMC Physiol. 2005; 5: 8. Published online 2005 Jun 13. doi: 10.1186/1472-6793-5-8