When is baseline adjustment useful in analyses of change? Part 2.

Glymour MM, Weuve J. The first two authors reply [re: When is baseline adjustment useful in analyses of change? An example with education and cognitive change]. Am J Epidemiol 2006;164:1139-1140.

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An ALAD polymorphism and lead exposure in relation to cognition in older men.

Weuve J, Kelsey KT, Schwartz J, Bellinger D, Wright RO, Rajan P, Spiro A 3rd, Sparrow D, Aro A, Hu H. Delta-aminolevulinic acid dehydratase (ALAD) polymorphism and the relation between low-level lead exposure and the Mini-Mental Status Examination in older men: the Normative Aging Study. Occupational and Environmental Medicine 2006;63:746-753.