[1]
Massimiliano Garzaro et al. 2015. Effectiveness of 5-Pyrrolidone-2-Carboxylic Acid and Copper Sulphate (Pirometaxine) in Cold Dry Air Induced Rhinitis With or Without Viral Superinfection. Pulmonary Research and Respiratory Medicine. 2, 3 (Jul. 2015), 90–96.