Chronic obstructive pulmonary disease as a cardiovascular risk factor: results of a case-control study (CONSISTE study)
Department of Epidemiology, University of Alabama at Birmingham, Birmingham, AL, USA
I read with interest the article "Chronic obstructive pulmonary disease as a cardiovascular risk factor. Results of a case-control study (CONSISTE study)" by de Lucas-Ramos et al.1 In my opinion, the study did not use case-control design, despite its title.
View original paper by de Lucas-Ramos and colleagues.
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