RONQUIST , GUNNAR, and GUNNAR ÅGREN. “A Possible Mechanism for Cell to Cell Interaction Involving Phosphoryl Group Transfer at the Cell Surface: ‘A Possible Mechanism for Cell to Cell Interaction Involving Phosphoryl Group Transfer at the Cell Surface.’ Upsala Journal of Medical Sciences, 80(1), Pp. 61–62”. Upsala Journal of Medical Sciences 80, no. 1 (February 1, 1975): 61–62. Accessed November 15, 2026. https://ujms.net/index.php/ujms/article/view/7388.