APA (7th ed.) Citation

Bortkevich, O., Kovalenko, V., & Golovkov, Y. Features of Systemic and Local Osteoporosis Manifestations in elderly Patients with Rheumatoid Arthritis.

Chicago Style (17th ed.) Citation

Bortkevich, O., V. Kovalenko, and Y. Golovkov. Features of Systemic and Local Osteoporosis Manifestations in Elderly Patients with Rheumatoid Arthritis.

MLA (9th ed.) Citation

Bortkevich, O., et al. Features of Systemic and Local Osteoporosis Manifestations in Elderly Patients with Rheumatoid Arthritis.

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