Chelpanova , I., Paltov , Y., Smolkova , O. and Yashchenko , A. 2025. Methodological approaches to the study of cardiac spatial transformations during ontogenetic development. Морфологія / Morphologia / Morfologìâ. 19, 4 (Oct. 2025), 6–12. DOI:https://doi.org/10.26641/1997-9665.2025.4.6-12.