This study is the first experimental demonstration of sex-typed play behavior change in a young girl with

Munchausen syndrome is a pattern of abnormal behavior in which patients repeatedly present with symptoms

Four unrelated patients are described with a syndrome that included developmental delay, seizures, ataxia

Rumination is a syndrome characterized by the effortless regurgitation of recently ingested food. It has

Klinefelter's syndrome (KS) concerns men and is usually characterized by tallness, underdeveloped testes