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Part 1: Basic Principles Chapter 2: Sampling Methods

1987 S. Wayne Martin, Alan H. Meek, Preben Willeberg Veterinary Epidemiology: Principles and Methods Part 1: Basic Principles Chapter 2: Sampling Methods Orlglnally publlshed 1987 by Iowa State University Press I Ames Rights for this work have been reverted to the authors by the original publisher. The authors have chosen to license this work as follows: License information: 1. The collection is covered by the following Creative Commons License: lfc'@@~ ~"*11 1! Attrlbutlon-NonCommerclal-NoDerlvs lnternatlonal Hcense You are free to copy, distribute, and display this work under the following conditions: Attribution: You must attribute the work in the manner specified by the author or (j) licensor (but not in any way that suggests that they endorse you or your use of the work.)

population; no sampling is required and hence no information is lost, as can occur when selecting only a subset of the population. More frequently, data are available from only a subset of the population, and that subset may or may not have been selected by …

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