Exercises to Epidemiology course
X1 Exercises. Hein Stigum. 1. Precision and validity. POPs and birth weight Study
. Persistent organic pollutants (POPs) are chemical substances that persist in ...							
X1 Exercises. Hein Stigum. 1. Precision and validity. POPs and birth weight Study
. Persistent organic pollutants (POPs) are chemical substances that persist in ...