Comment.
Schwartz J, Levin R.
Schwartz J, et al. Among authors: levin r.
J Epidemiol Community Health. 2000 Oct;54(10):729A-730. doi: 10.1136/jech.54.10.729a.
J Epidemiol Community Health. 2000.
PMID: 10990473
Free PMC article.
No abstract available.