Finkelstein, J W Behavioral state, sleep stage and growth hormone levels in human infants. [electronic resource] - The Journal of clinical endocrinology and metabolism Mar 1971 - 368-71 p. digital Publication Type: Journal Article ISSN: 0021-972X Standard No.: 10.1210/jcem-32-3-368 doi Subjects--Topical Terms: Analysis of VarianceCrying