APA (7th ed.) Citation

Katzianer, D. S., James, K., & Hanna, M. Periorbital Purpura as a Presenting Sign of Hereditary Transthyretin Amyloidosis. American College of Physicians.

Chicago Style (17th ed.) Citation

Katzianer, David S., Karen James, and Mazen Hanna. Periorbital Purpura as a Presenting Sign of Hereditary Transthyretin Amyloidosis. American College of Physicians.

MLA (9th ed.) Citation

Katzianer, David S., et al. Periorbital Purpura as a Presenting Sign of Hereditary Transthyretin Amyloidosis. American College of Physicians.

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