PT - JOURNAL ARTICLE AU - M Acalovschi TI - Cholesterol gallstones: from epidemiology to prevention AID - 10.1136/pmj.77.906.221 DP - 2001 Apr 01 TA - Postgraduate Medical Journal PG - 221--229 VI - 77 IP - 906 4099 - http://pmj.bmj.com/content/77/906/221.short 4100 - http://pmj.bmj.com/content/77/906/221.full SO - Postgrad Med J2001 Apr 01; 77