Journal of Laboratory and Clinical Medicine 49(6),825–836. Historical primary report; this record has no abstract. Experimental interpretation below is sourced separately to Daughaday's 2000 retrospective.
Author retrospective published in 2000: cartilage culture, sulfate uptake and the serum-mediator hypothesis. Indexed abstract consulted. Full Daughaday name corroborated by his institutional history: endocrinology.wustl.edu/about/our-history/william-h-daughaday-md/ .