Vitamin D deficiency can occur for a number of reasons: You don't consume the recommended levels of the vitamin over time. This is likely if you follow a strict vegan diet, because most of the natural sources are animal-based, including fish and fish oils, egg yolks, fortified milk, and beef liver.
NP_032898.2. Tissue plasminogen activator (abbreviated tPA or PLAT) is a protein involved in the breakdown of blood clots. It is a serine protease (EC 3.4.21.68) found on endothelial cells, the cells that line the blood vessels.
NEPA is the basic national charter for protection of the environment. It establishes policy, sets goals, and provides the means for carrying out the policy. NEPA requirements apply to any federal project, decision, or action, including grants, that might have a significant impact on the quality of the human environment. Authorizing Legislation