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2. and ?Intimacy and Conflict: The Dynamics of Boys' and Girls' Friendships During Middle Childhood and Early Adolescence.? In (ed.), Making Friends: The Influences of Culture and Development. Baltimore, Md.: Paul H. Brookes Publishing, 1998.
3. The Greater Fragility of Females' Versus Males' Closest Same-Sex Friendships
4. and (eds.). The Company They Keep: Friendship in Childhood and Adolescence. Cambridge, Mass.: Cambridge University Press, 1998.