Bioxyne PCC and Immunity Review  
    Effects of probiotics on atopic dermatitis: a randomised controlled trial  
    West (2011) L Fermentum and URTI in athletes  
    French & Penny PCC as an adjuvant for fluvax  
    Oral administration of the probiotic Lactobacillus fermentum VRI-003 and mucosal immunity in endurance athletes  
    Prescott et al 2005 Clinical & Experimental Allergy