"Kama ilivyoelezwa katika kitabu cha ""Life Extension,"" Dirk Pearson aliandika: ""Kuna kitabu kinachoitwa ""Life Extension: Companion to Extension"" na ""Life Extension: Companion to Extension"" na ""Life Extension: Companion to Extension"" na ""Life Extension: Companion to Extension"" na ""Life Extension: Companion to Extension."""
"Kuna kitabu kinachoitwa ""The Life Extension Companion"" na kitabu kingine kinachoitwa ""Life Extensions."""