Familial factors in early deaths: Twins followed 30 years to ages 51–61 in 1978

Subjects in the National Academy of Sciences-National Research Council Twin Registry of 31,848 male twin veterans were followed for mortality from 1 January 1946, or from the date of entry into military service if that was later, to 31 December 1978. During this time 3,573 deaths occurred among them, 837 due to trauma and 2,712 due to disease.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/47612/1/439_2004_Article_BF00278852.pd

Lumobar disc disease: a twenty-year clinical follow-up study

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