Vaswani S K, Sampson H A, Chang B W, Hamilton R G
Mid-Atlantic Permanente Medical Group, Johns Hopkins University School of Medicine, Mt Sinai School of Medicine, Baltimore, MD, USA.
J Allergy Clin Immunol. 1999 Nov;104(5):1108-9. doi: 10.1016/s0091-6749(99)70097-7.