Secondary association in populations due to heterogeneity

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Citation
Maclennan, R. & Mandel, S. P. H. (1972). Secondary association in populations due to heterogeneity. Bulletin of the World Health Organization, 47 (1), 83 - 86. https://apps.who.int/iris/handle/10665/263490
Journal
Bulletin of the World Health Organization, 47 (1): 83 - 86PMID
45389094538909