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Journal Article On Maternal and Infant Mortality 1900–1960 Get access IRVINE LOUDON IRVINE LOUDON *Green College, Oxford OX2 6HG. Search for other works by this author on: Oxford Academic PubMed Google Scholar Social History of Medicine, Volume 4, Issue 1, April 1991, Pages 29–73, https://doi.org/10.1093/shm/4.1.29 Published: 01 April 1991
Irvine Loudon (Tue,) studied this question.