ORIGINAL ARTICLE Year : 2021 | Volume : 10 | Issue : 1 | Page : 31-35 A study to evaluate ventilatory derangements of 1st year medical students on exposure to formaldehyde by assessing forced expiratory volume in 1 s/forced vital capacity ratio Dipak Kumar Dhar1, Sudeepa Chaudhuri2 1 Department of Physiology, Himalayan Institute of Medical Sciences, Swami Rama Himalayan University, Jolly Grant, Dehradun, Uttarakhand, India 2 Department of Physiology, Rohilkhand Medical College and Hospital,...