OCR A2 Psychology: Managing Stress: Budzynski (1973) Managing Stress Biofeedback and Tension Headaches
OCR A2 Psychology: Managing Stress: Waxler-Morrison et al. (1991) Managing Stress Social relationships and breast cancer survival.
OCR A2 Psychology: Johansson et al. (1978) – Social psychological and neuroendocrine stress reactions in highly mechanised work