Confounding and effect modification: possible explanation for variation in the results on the association between oral and systemic diseases
P. V. Ylöstalo, M. L. KnuuttilaVolume:
33
Year:
2006
Language:
english
Pages:
5
DOI:
10.1111/j.1600-051x.2005.00886.x
File:
PDF, 79 KB
english, 2006