@incollection{Arpi18, author = {Luis Manuel Barrios Arpi}, title = {Histology of Umbilical Cord in Mammals}, booktitle = {Histology}, publisher = {IntechOpen}, address = {Rijeka}, year = {2018}, editor = {Thomas Heinbockel and Vonnie D.C. Shields}, chapter = {3}, doi = {10.5772/intechopen.80766}, url = {https://doi.org/10.5772/intechopen.80766} }