The state of having lost a marital partner by death.

A relational pattern in which a person attempts to derive a sense of purpose through relationships with others.

Refers to the whole process of grieving and mourning and is associated with a deep sense of loss and sadness.

A personality disorder characterized by overly reactive and intensely expressed or overly dramatic behavior, proneness to exaggeration, emotional excitability, and disturbances in interpersonal relationships.

The social institution involving legal and/or religious sanction whereby individuals are joined together.

The unmarried man or woman.

A demographic parameter indicating a person's status with respect to marriage, divorce, widowhood, singleness, etc.

Married persons, i.e., husbands and wives, or partners. Domestic partners, or spousal equivalents, are two adults who have chosen to share their lives in an intimate and committed relationship, reside together, and share a mutual obligation of support for the basic necessities of life.

All deaths reported in a given population.

The interactions between individuals of different generations. These interactions include communication, caring, accountability, loyalty, and even conflict between related or non-related individuals.

Disciplines concerned with the interrelationships of individuals in a social environment including social organizations and institutions. Includes Sociology and Anthropology.

A telecommunication system combining the transmission of a document scanned at a transmitter, its reconstruction at a receiving station, and its duplication there by a copier.

Predetermined sets of questions used to collect data - clinical data, social status, occupational group, etc. The term is often applied to a self-completed survey instrument.

Works about clinical trials that involve at least one test treatment and one control treatment, concurrent enrollment and follow-up of the test- and control-treated groups, and in which the treatments to be administered are selected by a random process, such as the use of a random-numbers table.

Works containing information articles on subjects in every field of knowledge, usually arranged in alphabetical order, or a similar work limited to a special field or subject. (From The ALA Glossary of Library and Information Science, 1983)

Male-associated sex-specific social roles and behaviors unrelated to biologic function.

Persons fleeing to a place of safety, especially those who flee to a foreign country or power to escape danger or persecution in their own country or habitual residence because of race, religion, or political belief. (Webster, 3d ed)

The intentional infliction of physical or mental suffering upon an individual or individuals, including the torture of animals.

NATIONAL LIBRARY OF MEDICINE service for health professionals and consumers. It links extensive information from the National Institutes of Health and other reviewed sources of information on specific diseases and conditions.

Family in the order COLUMBIFORMES, comprised of pigeons or doves. They are BIRDS with short legs, stout bodies, small heads, and slender bills. Some sources call the smaller species doves and the larger pigeons, but the names are interchangeable.