Protemp 4 Temporization Material Technical Data Sheet [document on the internet] - ESPE Dental Products (3M ESPE AG, 2008)
[cited 2012 November 7]. Available from: http://multimedia.3m.com/mws/mediawebserver?mwsId=66666UF6EVsSyXTtNXfXoxTEEVtQEVs6EVs6EVs6E666666--&fn=protemp_4_tds_ebu.pdf