The process of discovering or asserting an objective or intrinsic relation between two objects or concepts; a faculty or power that enables a person to ...
Declarations by patients, made in advance of a situation in which they may be incompetent to decide about their own care, stating their treatment preferences ...
An infection of the small intestine caused by the flagellated protozoan GIARDIA LAMBLIA. It is spread via contaminated food and water and by direct person-to-person ...