Retraction Note: Synthesis of silver nanoparticles using Plantago lanceolata extract and assessing their antibacterial and antioxidant activities - Muhammad Zahir Shah; Zheng-Hui Guan; Ala Ud Din; Amjad Ali; Ata Ur Rehman; Kashif Jan; Shah Faisal; Shah Saud; Muhammad Adnan; Fazli Wahid; Saud Alamri; Manzer H. Siddiqui; et al. (Scientific Reports)