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.
1 N.V. is used if you have glasses only for reading, or if you have bifocals, N.V. indicates the lower portion of your bifocal lens. 2  O.D. stands for oculus dexter, Latin for âright eye.â (Your prescription may just say ârightâ or even RE. 3  O.S. stands for oculus sinister, which is âleft eyeâ in Latin.