Vitamin A Deficiency. Although not extremely common in the United States, a deficiency of vitamin A in the diet can have a significant effect on the body; vitamin A deficiency is associated with xerophthalmia, or dry eyes, and is also characterized by an increase in night blindness and can even lead to overall blindness.
A contract research organization (CRO) is an organization that provides support to the pharmaceutical, biotechnology, and medical device industries in the form of research services outsourced on a contract basis.ne estimate had the size of the market set to reach $24 billion in 2010 and set to grow at a rate of 8.5% through 2015. The top CROs, according to outsourcing-pharma.com, are Quintiles, Parexel, Pharmaceutical Product Development (PPD), INC Research, Covance, Medpace, PRA Health Sciences, inVentiv Health, and Chiltern.
In an attempt to continue their rapid growth, some of the larger contract research organizations have expanded into other fields such as medical product marketing (pharmaceutical detailing), discovery and formulation, contract manufacturing, clinical labs, and other related fields.linical investigators themselves, which are hired by the CRO or the sponsor directly to actually conduct the clinical trial at a specific location, may be part of an organization that provides CRO-like services or that provides joint marketing and clinical trial support.