Taylor, Cath; Graham, Jill; Potts, Henry WW; Richards, Michael A.; Ramirez, Amanda J. (2005). »Changes in mental health of UK hospital consultants since the mid-1990s«. The Lancet. 366 (9487): 742–744. doi:10.1016/S0140-6736(05)67178-4. PMID16125591.
Taylor, Cath; Graham, Jill; Potts, Henry WW; Richards, Michael A.; Ramirez, Amanda J. (2005). »Changes in mental health of UK hospital consultants since the mid-1990s«. The Lancet. 366 (9487): 742–744. doi:10.1016/S0140-6736(05)67178-4. PMID16125591.