PT - JOURNAL ARTICLE AU - S.T. Weiss AU - A.A. Litonjua TI - Vitamin D in asthma and allergy: what next? AID - 10.1183/09031936.00129811 DP - 2011 Dec 01 TA - European Respiratory Journal PG - 1255--1257 VI - 38 IP - 6 4099 - http://erj.ersjournals.com/content/38/6/1255.short 4100 - http://erj.ersjournals.com/content/38/6/1255.full SO - Eur Respir J2011 Dec 01; 38