PT - JOURNAL ARTICLE AU - Lasse Ruokolainen TI - Green living environment protects against allergy, or does it? AID - 10.1183/13993003.00481-2017 DP - 2017 Jun 01 TA - European Respiratory Journal PG - 1700481 VI - 49 IP - 6 4099 - http://erj.ersjournals.com/content/49/6/1700481.short 4100 - http://erj.ersjournals.com/content/49/6/1700481.full SO - Eur Respir J2017 Jun 01; 49