Effects of Cd stress on seedling growth and activities in antioxidant enzymes of lettuce
Ren Yanfang, He Junyu, Liu Chang, Luo Xingling, Huang Tianxing
Ecology and Environment . 2009, (2): 494 -497 .  DOI: 10.16258/j.cnki.1674-5906(2009)02-0494-04