V.  Maralingannavar, Parmar, D., Panchagnula, V., and Gadgil, M., ?Superfluous glutamine synthetase activity in Chinese Hamster Ovary cells selected under glutamine limitation is growth limiting in glutamine-replete conditions and can be inhibited by serine?, Biotechnology Progress, vol. 35, no. 5, p. UNSP e2856, 2019.