1.
Perin A, Zanatta E, Pigatto E, Carniello S, Cozzi F. Hypovitaminosis D in an hospitalized old population of Western Friuli. Reumatismo [Internet]. 2012Jul.19 [cited 2021Jul.28];64(3):166-71. Available from: https://reumatismo.org/index.php/reuma/article/view/reumatismo.2012.166