@article{Tammivaara_2022, title={In memoriam professor Heinart Sillastu }, url={https://ojs.utlib.ee/index.php/EA/article/view/18778}, abstractNote={<p>Eesti Arst 2022; 101(2):131–132</p>}, journal={Eesti Arst}, author={Tammivaara, Ritva}, year={2022}, month={Feb.} }