Cita APA

Chalmers, J. (1991). Vitamin D deficiency in elderly people.

Chicago Style Citation

Chalmers, J. Vitamin D Deficiency in Elderly People. 1991.

Cita MLA

Chalmers, J. Vitamin D Deficiency in Elderly People. 1991.

Atenció: Aquestes cites poden no estar 100% correctes.