In using the checklist, investigators should select the items that apply to their types of studies. It is unlikely that any protocol would include every item on the checklist. A number of studies are conducted at CDC that are not classified as research or do not involve humans beings as participants.
d'OrÂ·say. Use d'Orsay in a sentence. noun. A shoe having an upper part that is cut away at the instep to reveal the arch of the foot. Origin of d'Orsay.
Black shoelace. Shoelaces, sometimes called shoestrings (US English) or bootlaces (UK English), are a system commonly used to secure shoes, boots and other footwear. They typically consist of a pair of strings or cords, one for each shoe, finished off at both ends with stiff sections, known as aglets.