Relationship between free and total malondialdehyde, a well-established marker of oxidative stress, in various types of human biospecimens - Cui, X; Gong, J; Han, H; He, L; Teng, Y; Tetley, T; Sinharay, R; Chung, KF; Islam, T; Gilliland, F; Grady, S; Garshick, E; et al. (JOURNAL OF THORACIC DISEASE, 2018)