VALACHIS , A., D. MAURI, V. KARAMPOIKI, N. P. POLYZOS, I. CORTINOVIS, G. KOUKOURAKIS, G. ZACHARIAS, A. XILOMENOS, M. TSAPPI, and G. CASAZZA. “Time-Trend of Melanoma Screening Practice by Primary Care Physicians: A Meta-Regression Analysis”. Upsala Journal of Medical Sciences, vol. 114, no. 1, July 2009, pp. 32-40, doi:10.1080/03009730802579620.