PubMed:17255138 / 703-784
Annnotations
LitCoin-sentences
{"project":"LitCoin-sentences","denotations":[{"id":"T8","span":{"begin":0,"end":81},"obj":"Sentence"}],"text":"Outcomes were compared using Cox regression models with time-dependent exposures."}
LitCoin-GeneOrGeneProduct-v0
{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T15","span":{"begin":56,"end":60},"obj":"GeneOrGeneProduct"}],"text":"Outcomes were compared using Cox regression models with time-dependent exposures."}