@phdthesis{AlChawaf2011,
author = {Al Chawaf, Basem},
year = {2011},
title = {Healing of human extraction sockets augmented with Bio-Oss Collagen after 6
and 12 weeks},
type = {Dissertation},
url = "http://dx.doi.org/10.17169/refubium-14310",
}