@article{article,
title = {The formation of the skeleton. I. Growth of a long bone. 1st appearance of a center of calcification},
author = {},
year = {1971},
journal = {Pathologie-Biologie},
volume = {19},
number = {1},
pages = {21-31},
howpublished = "\url{https://eurekamag.com/research/044/643/044643125.php}"
}