@article{doi:10.1302/0301-620X.72B5.2211777,
author = {Pennig, D and Brug, E},
title = {A target device for placement of implants in the thoracolumbar pedicles},
journal = {The Journal of Bone & Joint Surgery British Volume},
volume = {72-B},
number = {5},
pages = {886-888},
year = {1990},
doi = {10.1302/0301-620X.72B5.2211777},
url = {https://doi.org/10.1302/0301-620X.72B5.2211777}
}