López MV, Rivero E, Serra C, Campo M, Raurich M, Bonfill X. Health survey in health care professionals in Barcelona. Arch Prev Riesgos Laborales. 1998;1(2):55-62.
Nicholls TJ, Green KL, Cook DJ, Rogers DJ, Wolowacz SE, Smart JD. An investigation of lectins for use in ophthalmic drug delivery. Int J Pharm. 1996;138(2):175-83.