Demonstration of an ATPase at the cell surface of intact normal and neoplastic human cells in cultureGunnar Ågren, Bengt Westermark, G. Ronquist et al.|Journal of Cellular Physiology|1971Cited by 44
Formation of extracellular adenosine triphosphate by normal and neoplastic human cells in cultureGunnar Ågren, Bengt Westermark, Jan Pontén et al.|Journal of Cellular Physiology|1971Cited by 41