Grieger KD, Sayes C, Hendron CO, Rothrock G, Mansfield C, Jayanty RKM, Ensor D. Finding the key to responsible nanomaterial development. Ehs Today: The Magazine For Environment, Health And Safety Leaders. 2013 Dec 6.
Knox D, Gibson L, Zusman ME, Gallmeier C. Why college students end relationships. Coll Stud J. 1997 Jan 1;31(4):449-52.