This HTML5 document contains 5 embedded RDF statements represented using HTML+Microdata notation.

The embedded RDF content will be recognized by any processor of HTML5 Microdata.

PrefixNamespace IRI
isaphttp://webisa.webdatacommons.org/prov/
isahttp://webisa.webdatacommons.org/
n4nih.
rdfhttp://www.w3.org/1999/02/22-rdf-syntax-ns#
provhttp://www.w3.org/ns/prov#
xsdhhttp://www.w3.org/2001/XMLSchema#
Subject Item
isap:213660208
prov:wasDerivedFrom
isa:150838898
Subject Item
isa:150838898
rdf:type
prov:Entity
prov:value
Am J Respir Crit Care Med. 1999;159:1780???1785. [PubMed]Hrubec Z, Cederlof R, Friberg L, Horton R, Ozolins G. Respiratory symptoms in twins: effects of residence-associated air pollution, tobacco and alcohol use, and other factors.
prov:wasQuotedFrom
n4:gov
Subject Item
isap:273295126
prov:wasDerivedFrom
isa:150838898