Saini, Deepak, et al. “Modulation by S-Nitrosoglutathione (a Natural Nitric Oxide Donor) of Photosystem in Pisum Sativum Leaves, As Revealed by Chlorophyll Fluorescence: Light-Dependent Aggravation of Nitric Oxide Effects”. Plant Science Today, vol. 10, no. 2, Jan. 2023, doi:10.14719/pst.2248.