A prospective multicenter study evaluating loading of Osseotite implants two months after placement: one-year result
Lazzara RJ, Porter SS, Testori T, Galante J, Zetteqvist L
J Esthet Dent 1998;10:280-289

A multicenter prospective evaluation of 2-months loaded Osseotite implants placed in the posterior jaws: 3-year follow-up results
Testori T, Del Fabbro M, Feldman S, Vincenzi G, Sullivan D, Rossi R Jr, Anitua E, Bianchi F, Francetti L, Weinstein RL
Clin Oral Implants Res 2002;13:154-161