Prevalence of chronic obstructive pulmonary disease and pattern of comorbidities in a general population
2007, 2(4); pagine 567-74
2007, 2(4); pagine 567-74
August 24-27,2006; Pagina S205
Vol.12, n. 3, lug-sett 1998; pagine 138-145
October 26-28,1998; Pagina 36