In a cross-sectional study, all in a given population or a random sample from this population define the source population. The disease and its possible determinants are all recorded at a given point in time. This introduces a temporal ambiguity in the possible...
CITATION STYLE
Olsen, J., Christensen, K., Murray, J., & Ekbom, A. (2010). The Cross-Sectional Study (pp. 79–79). https://doi.org/10.1007/978-1-4419-1497-2_11
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