Over the next two years, through investigations into natural and artificially mummified specimens, Svante Pääbo confirmed that this phenomenon was not limited to relatively recent museum specimens but could apparently be replicated in a range of mummified human samples that dated as far back as several thousand years.
Nos seguintes dous anos, facendo investigacións en espécimes momificados por causas naturais ou artificiais, Svante Pääbo confirmou que este fenómeno non estaba limitado a espécimes de museo relativamente recentes, senón que podía ser replicado en diversas mostras humanas momificadas de varios miles de anos de antigüidade.