@article{puggina_silva_araújo_2008,  title={Messages from relatives of patients in coma: hope as common element},  volume={21},  ISSN={0103-2100},  url={https://doi.org/10.1590/S0103-21002008000200003},  DOI={10.1590/S0103-21002008000200003},  number={2},  journal={Acta Paulista de Enfermagem},  publisher={Escola Paulista de Enfermagem, Universidade Federal de São Paulo},  author={Puggina, Ana Cláudia Giesbrecht and Silva, Maria Júlia Paes da and Araújo, Monica Martins Trovo de},  year={2008},  pages={249–255} }