Objective:To investigate the defense mechanism and personality of college students in naval medicine and their relationships with the change of plasma adrenocorticotropic hormone (ACTH) during voyage.

• 目的:调查海军医学专业(海医)本科学员的防御机制和个性,并分析其与远航中血浆促肾上腺皮质激素(ACTH)变化的关系。