Mackey, R. (2001). Psychological intimacy in the lasting relationships of heterosexual and same-gender couples. Sex Roles 43 (3–4): 201.

Mackie, D. M., T. Devos, et al. (2000). Intergroup emotions: Explaining offensive action tendencies in an intergroup context. J Pers Soc Psychol 79 (4): 602–16.

Madden, T. E., L. F. Barrett, et al. (2000). Sex differences in anxiety and depression: Empirical evidence and methodological questions. In Gender and Emotion: Social Psychological Perspectives: Studies in Emotion and Social Interaction, ed. A. H. Fischer, 2nd series, 277–98. New York: Cambridge University Press.

Maestripieri, D. (2005). Early experience affects the intergenerational transmission of infant abuse in rhesus monkeys. Proc Natl Acad Sci USA 102 (27): 9726–29.

Maestripieri, D. (2005). Effects of early experience on female behavioural and reproductive development in rhesus macaques. Proc Biol Sci 272 (1569): 1243–48.

Maestripieri, D., S. G. Lindell, et al. (2005). Neurobiological characteristics of rhesus macaque abusive mothers and their relation to social and maternal behavior. Neurosci Biobehav Rev 29 (1): 51–57.

Magalhaes, P. V., and R. T. Pinheiro (2006). Pharmacological treatment of postpartum depression. Acta Psychiatr Scand 113 (1): 75–76.

Maki, P. M., A. B. Zonderman, et al. (2001). Enhanced verbal memory in nondemented elderly women receiving hormone-replacement therapy. Am J Psychiatry 158 (2): 227–33.

Malatesta, C. Z., and J. M. Haviland (1982). Learning display rules: The socialization of emotion expression in infancy. Child Dev 53 (4): 991–1003.

Mandal, M. K. (1985). Perception of facial affect and physical proximity. Percept Mot Skills 60 (3): 782.