Enumerations of populations usually recording identities of all persons in every place of residence with age or date of birth, sex, occupation, national origin, language, marital status, income, relation to head of household, information on the dwelling place, education, literacy, health-related data (e.g., permanent disability), etc. The census or "numbering of the people" is mentioned several times in the Old Testament. Among the Romans, censuses were intimately connected with the enumeration of troops before and after battle and probably a military necessity. (From Last, A Dictionary of Epidemiology, 3d ed; Garrison, An Introduction to the History of Medicine, 4th ed, p66, p119)
Systematic gathering of data for a particular purpose from various sources, including questionnaires, interviews, observation, existing records, and electronic devices. The process is usually preliminary to statistical analysis of the data
A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment
A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment
Rapid methods of measuring the effects of an agent in a biological or chemical assay. The assay usually involves some form of automation or a way to conduct multiple assays at the same time using sample arrays
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Methods in enzymology. : Cumulative subject index : volumes 290-319 / editors in chief, John N. Abelson, Melvin I. Simon
Methods used for the chemical synthesis of compounds. Included under this heading are laboratory methods used to synthesize a variety of chemicals and drugs
Summarizing techniques used to describe the pattern of mortality and survival in populations. These methods can be applied to the study not only of death, but also of any defined endpoint such as the onset of disease or the occurrence of disease complications
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Biochemistry -- methods [MESH] : Principles and techniques of practical biochemistry / edited by Keith Wilson and John Walker
Critical Care -- methods [MESH] : High dependency nursing care : observation, intervention and support for level 2 patients / [edited by] Tina Moore and Philip Woodrow ; with Noirin Egan ... [and others]
Hematologic Tests -- methods [mesh] : Transfusion medicine and hemostasis : clinical and laboratory aspects / edited by Christopher D. Hillyer [and others]
