%0 Journal Article %A IG Mackie %A M Green %A H Clarke %A DH Isaac %T Human bone microstructure studied by collagenase etching %D 1989 %J The Journal of Bone & Joint Surgery British Volume %P 509-513 %V 71-B %N 3 %R 10.1302/0301-620X.71B3.2542341 %U https://doi.org/10.1302/0301-620X.71B3.2542341 %K