Marsh, D. (2004). Scaling and mean-field theories applied to polymer brushes. Biophysical Journal, 86(4), 2630-2633. Retrieved from http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B94RW-4V352BW-28-1&_cdi=56421&_user=38661&_orig=browse&_coverDate=04%2F30%2F2004&_sk=999139995&view=c&wchp=dGLzVtb-zSkWz&md5=44c97e2b6e1cbb1bd23b9b0cb2fbfe8a&ie=/sdarticle.pdf.