"Vitamin E". Micronutrient Information Center, Linus Pauling Institute, Oregon State University. October 2015. Archived from the original on 8 April 2015. Retrieved 3 August 2019.
phytobazar.com
ارتباط کمبود ویتامین E و آسم (۲۰۲۲-۱۱-۱۴). «قرص فیتو».
"Vitamin E". Micronutrient Information Center, Linus Pauling Institute, Oregon State University. October 2015. Archived from the original on 8 April 2015. Retrieved 3 August 2019.