There was a generally increasing ratio of the IMR to the CMR1-4 between 1950 and 1980 and a decreasing trend from 2000 afterwards.
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Infant and child mortality trends in China: a longitudinal study for the period 1950-2016.
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There was a generally increasing ratio of the IMR to the CMR1-4 between 1950 and 1980 and a decreasing trend from 2000 afterwards.