Healthline. https://www.healthline.com/health/egg-yolk-for-hair
Diakses pada 19 November 2019Healthline. https://www.healthline.com/nutrition/6-reasons-why-eggs-are-the-healthiest-food-on-the-planet
Diakses pada 19 November 2019Healthline. https://www.healthline.com/nutrition/how-many-eggs-should-you-eat
Diakses pada 19 November 2019Medical News Today. https://www.medicalnewstoday.com/articles/320445.php
Diakses pada 19 November 2019Verywell Mind. https://www.verywellmind.com/what-is-a-neurotransmitter-2795394
Diakses pada 19 November 2019