NYERI DADA https://repository.usu.ac.id/bitstream/handle/123456789/3548/gizi-bahri7.pdf?sequence=1&isAllowed=y
https://media.neliti.com/media/publications/105490-ID-mencari-penyebab-nyeri-dada-kardiak-dan.pdf
SKA https://inaheart.org/wp-content/uploads/2021/07/Pedoman_tatalaksana_Sindrom_Koroner_Akut_2015.pdf
https://repository.poltekkes-smg.ac.id/repository/BAB%202%2034403716045.pdf