1. Pregnancy and natalizumab: results of an observational study in 35 accidental pregnancies during natalizumab treatment. Hellwig K, Haghikia A, Gold R. Mult Scler. 2011 Aug;17(8):958-63.
  2. A newborn with Pierre Robin sequence after preconceptional mitoxantrone exposure of a female with multiple sclerosis. Hellwig K, Schimrigk S, Chan A, Epplen J, Gold R. J Neurol Sci. 2011 Aug 15;307(1-2):164-5.
  3. Accidental natalizumab administration to the third trimester of pregnancy in an adolescent patient with multiple sclerosis. Bayas A, Penzien J, Hellwig K. Acta Neurol Scand. 2011 Oct;124(4):290-2
  4. Protective effect of breastfeeding in postpartum relapse rate of mothers with multiple sclerosis. Hellwig K, Haghikia A, Agne H, Beste C, Gold R. Arch Neurol. 2009 Dec;66(12):1580-1
  5. Parenthood and immunomodulation in patients with multiple sclerosis. Hellwig K, Haghikia A, Gold R. J Neurol. 2010 Apr;257(4):580-3
  6. Interferon beta, birth weight and pregnancy in multiple sclerosis. Hellwig K, Agne H, Gold R. J Neurol. 2009 May;256(5):830-1.
  7. Immunomodulation and postpartum relapses in patients with multiple sclerosis. Hellwig K, Beste C, Schimrigk S, Chan A. Ther Adv Neurol Disord. 2009 Jan;2(1):7-11.
  8. Increase in relapse rate during assisted reproduction technique in patients with multiple sclerosis. Hellwig K, Schimrigk S, Beste C, Muller T, Gold R. Eur Neurol. 2009;61(2):65-8.
  9. Increased MS relapse rate during assisted reproduction technique. Hellwig K, Beste C, Brune N, Haghikia A, Müller T, Schimrigk S, Gold R. J Neurol. 2008 Apr;255(4):592-3.
  10. Reproductive counselling, treatment and course of pregnancy in 73 German MS patients.
  11. Hellwig K, Brune N, Haghikia A, Müller T, Schimrigk S, Schwödiauer V, Gold R. Acta Neurol Scand. 2008 Jul;118(1):24-8.