Chatzi L, Torrent M, Romieu I, Garcia-Esteban R, Ferrer C, Vioque J, Kogevinas M, Sunyer J. Diet, wheeze, and atopy in school children in Menorca, Spain. Pediatr Allergy Immunol. 2007 Sep;18(6):480-5. doi: 10.1111/j.1399-3038.2007.00596.x
Knox D, Gibson L, Zusman ME, Gallmeier C. Why college students end relationships. Coll Stud J. 1997 Jan 1;31(4):449-52.