Wijga A, Houwelingen AC, Smit HA, Kerkhof M, Vos AP, Neijens HJ, Brunekreef B; PIAMA Birth Cohort Study. Fatty acids in breast milk of allergic and non-allergic mothers: The PIAMA birth cohort study. Pediatr Allergy Immunol. 2003 Jun;14(3):156–62. doi: 10.1034/j.1399-3038.2003.00022.x. PMID: 12787293.