STUDY OF VITAMIN D STATUS OF RHEUMATOID ARTHRITIS PATIENTS RATIONALE AND DESIGN OF A CROSS-SECTIONAL STUDY BY THE OSTEOPOROSIS AND METABOLIC BONE DISEASES STUDY GROUP OF THE ITALIAN SOCIETY OF RHEUMATOLOGY (SIR)

Study of vitamin D status of rheumatoid arthritis patients Rationale and design of a cross-sectional study by the osteoporosis and metabolic bone diseases study group of the Italian Society of Rheumatology (SIR)

The fundamental role of Vitamin D has been long known in regulating calcium homeostasis and bone metabolism.An increased contribution of Vitamin D was recently described in association with a lower incidence of Rheumatoid Arthritis (RA).This must not be surprising, as the immunomodulating effects of Vitamin D are clear, which have been attributed p

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Experimental Study of Mechanical Characteristics of Tunnel Support System in Hard Cataclastic Rock with High Geostress

In hard cataclastic surrounding rock with high geostress, the rock monomer strength is high and the rock is broken, and tunnel excavation in it is apt to cause large deformation, collapsing, and breaking, causing initial support crack and even intruding of the initial support deformation.The characteristics of the support system under different sup

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