The molecular basis of susceptibility to rheumatoid arthritis: the conformational equivalence hypothesis.Winchester, Gregersen1988Tijdschriftartikel
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Epidemiology of community-acquired respiratory tract infections in adults. Incidence, etiology, and impact.Garibaldi1985 Jun 28Tijdschriftartikel
The relationship of acute respiratory illness history to the prevalence and incidence of obstructive lung disorders.Lebowitz, Burrows1977 JunTijdschriftartikel
