APA (7th ed.) Citation

Shen, G., & Ma, X. High Levels of 17β-Estradiol Are Associated with Increased Matrix Metalloproteinase-2 and Metalloproteinase-9 Activity in Tears of Postmenopausal Women with Dry Eye. Wiley.

Chicago Style (17th ed.) Citation

Shen, Guanglin, and Xiaoping Ma. High Levels of 17β-Estradiol Are Associated with Increased Matrix Metalloproteinase-2 and Metalloproteinase-9 Activity in Tears of Postmenopausal Women with Dry Eye. Wiley.

MLA (9th ed.) Citation

Shen, Guanglin, and Xiaoping Ma. High Levels of 17β-Estradiol Are Associated with Increased Matrix Metalloproteinase-2 and Metalloproteinase-9 Activity in Tears of Postmenopausal Women with Dry Eye. Wiley.

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