APA (7th ed.) Citation

El-Battrawy, I., Borggrefe, M., & Akın, I. (2017). Catecholamine in takotsubo syndrome. International journal of cardiology, 233, . https://doi.org/10.1016/j.ijcard.2016.12.153

Chicago Style (17th ed.) Citation

El-Battrawy, Ibrahim, Martin Borggrefe, and Ibrahim Akın. "Catecholamine in Takotsubo Syndrome." International Journal of Cardiology 233 (2017). https://doi.org/10.1016/j.ijcard.2016.12.153.

MLA (9th ed.) Citation

El-Battrawy, Ibrahim, et al. "Catecholamine in Takotsubo Syndrome." International Journal of Cardiology, vol. 233, 2017, https://doi.org/10.1016/j.ijcard.2016.12.153.

Warning: These citations may not always be 100% accurate.