Cho WK, Ankrum JA, Guo D, Chester SA, Yang SY, Kshyap A, Campbell GA, Wood RJ, Rijal RK, Karnik R, Langer R, Karp JM: Microstructured barbs on the North American porcupine quill enable easy tissue penetration and difficult removal. In: PNAS published ahead of print December 10. 2012, doi:10.1073/pnas.1216441109 (pnas.org).
Cho WK, Ankrum JA, Guo D, Chester SA, Yang SY, Kshyap A, Campbell GA, Wood RJ, Rijal RK, Karnik R, Langer R, Karp JM: Microstructured barbs on the North American porcupine quill enable easy tissue penetration and difficult removal. In: PNAS published ahead of print December 10. 2012, doi:10.1073/pnas.1216441109 (pnas.org).
