AUTHOR=Kuzmina Irina V. 

TITLE=The yolk sac as the main organ in the early stages of animal embryonic development

JOURNAL=Frontiers in Physiology

VOLUME=14

YEAR=2023

URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2023.1185286

DOI=10.3389/fphys.2023.1185286

ISSN=1664-042X