Objective to observe the effect of bone regeneration guided by collagen membrane and evaluate the mechanism of autogenous bone marrow and membranous space in guided bone regeneration.

目的观察胶原膜引导骨再生的效果，探讨胶原膜的理化特性、自体骨髓、膜下空间的维持在引导性骨再生中的作用。

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There was enough space in the bone for the healthy marrow to start producing new red blood cells.

VOA: special.2009.12.16

The partnership is a smart solution for buildings that have limited space on-site but want to broaden their potential resident pool, said Spot owner and founder Mitch Marrow.

WSJ: Where Dogs Rule the Roost