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==Descriptive studies==

==Descriptive studies==

Descriptive studies include case-series, case-reports and surveys. Although unable to test hypotheses, as they do not involve the comparison of groups, they improve knowledge and understanding of disease and are useful for generating hypotheses. The overarching aims of descriptive studies are covered in [[Descriptive studies|another page]].

Descriptive studies include case-series, case-reports and surveys. Although unable to test hypotheses, as they do not involve the comparison of groups, they improve knowledge and understanding of disease and are useful for generating hypotheses. The overarching aims of descriptive studies are covered in [[Descriptive epidemiological studies|another page]].

====Case reports====

====Case reports====