Roy, M, Steptoe, A and Kirschbaum, C (2003) Intra-individual variation in recent stress exposure as a moderator of cortisol and testosterone levels. Annals of Behavioral Medicine, 26 (3). pp. 194-200. ISSN 0883-6612
Roy, M, Steptoe, A and Kirschbaum, C (2001) Psychological, cardiovascular and metabolic correlates of individual differences in cortisol stress recovery in young men. Psychoneuroendocrinology, 26 (4). pp. 375-391. ISSN 03064530