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Here we explore for the first time these two main evolutionary consequences of demographic transitions using a unique data set containing survival , fertility , and anthropometric data for thousands of women in rural Gambia from 1956 - 2010 [ 3 ] .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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