1. Seasonal variation in occurrence of aortic diseases: The database of hospital discharge data of the Emilia–Romagna region, Italy 
Roberto Manfredini, MD, Benedetta Boari, MD, Fabio Manfredini, MD, Raffaella Salmi, MD, Eduardo Bossone, MD, Davide Fabbri, MD, Edgardo Contato, MD, Francesco Mascoli, MD, Massimo Gallerani, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 135, Issue 2, Pages (February 2008)
DOI: /j.jtcvs
Copyright © 2008 The American Association for Thoracic Surgery Terms and Conditions

2. Figure 1
Acute aortic diseases: seasonal distribution of percentage of cases (A) and monthly distribution of hospital admission rate (B).
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
Copyright © 2008 The American Association for Thoracic Surgery Terms and Conditions