Greenness and allergies: evidence of differential associations in two areas in Germany
Elaine Fuertes, Iana Markevych, Andrea von Berg, Carl-Peter Bauer, Dietrich Berdel, Sibylle Koletzko, Dorothea Sugiri, Joachim Heinrich
J Epidemiol Community Health Aug 2014, 68 (8) 787-790; DOI: 10.1136/jech-2014-203903