| [prevalence of cutaneous lesions in freixo de espada à cinta]. | incidence or prevalence studies on cutaneous lesions in general populations are not available. the community observed by the authors (freixo de espada à cinta, north-eastern portugal) is relatively closed. a pre-tested questionnaire for socio-demographic and clinical information was used and a physical observation was conducted in january and february 1994 by the dermatology team of santo antónio general hospital, oporto. the analysis was supported by independent tests (pearson and fisher chi 2, ... | 2006 | 11234487 |