HOLBROOK, N.Y., Jan.

NORTH BERGEN, N.J., Nov.

According to a recent study involving 973 North American patients, Vitamin D levels are not related to acute exacerbations of chronic obstructive pulmonary disease, AECOPD, in patients with sever COPD.

NORTH BERGEN, N.J., Oct.

Children in low and middle income countries should be given vitamin A supplements to prevent death and illness.