@article{be8c2c7bd39b4ab5a5f7bf477ee0a6d3,
title = "Chronic obstructive pulmonary disease in alpha1-antitrypsin PI MZ heterozygotes: a meta-analysis",
abstract = "Severe alpha(1)-antitrypsin deficiency, usually related to homozygosity for the protease inhibitor (PI) Z allele, is a proven genetic risk factor for chronic obstructive pulmonary disease (COPD). The risk of COPD in PI MZ heterozygous individuals is controversial.",
keywords = "Forced Expiratory Volume, Heterozygote, Humans, Odds Ratio, Pulmonary Disease, Chronic Obstructive, alpha 1-Antitrypsin",
author = "Hersh, {C P} and Morten Dahl and Ly, {N P} and Berkey, {C S} and Nordestgaard, {B G} and Silverman, {E K}",
year = "2004",
month = oct,
doi = "10.1136/thx.2004.022541",
language = "English",
volume = "59",
pages = "843--9",
journal = "Thorax",
issn = "0040-6376",
publisher = "B M J Group",
number = "10",
}