Which of the following food sources of calcium is the most bioavailable?

According to the new Patient's Bill of Rights, the following is true regarding emergency care:

A) companies can limit which emergency department the patient goes to. B) new plans cannot penalize for out of network care. C) there may be a financial penalty for non-network care. D) the primary care physician must approve emergency care.

____ consist of four digits and provide more information about the disease such as the site, cause, or other characteristic.

A. Sections B. Categories C. Subcategories D. Subclassifications