APA (7th ed.) Citation

Pfeiffer, N., & Grehn, F. (1992). Improved suture for fornix-based conjunctival flap in filtering surgery. Springer.

Chicago Style (17th ed.) Citation

Pfeiffer, Norbert, and Franz Grehn. Improved Suture for Fornix-based Conjunctival Flap in Filtering Surgery. Springer, 1992.

MLA (9th ed.) Citation

Pfeiffer, Norbert, and Franz Grehn. Improved Suture for Fornix-based Conjunctival Flap in Filtering Surgery. Springer, 1992.

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