Effect of Heavy Metals on the Developmental Stages of Ovule and Embryonic Sac in Euphorbia cheiradenia

Behrouz E. Malayeri, Abdolkarim Chehregani, Fariba Mohsenzade and Roghayeh Golmohammadi

Pakistan Journal of Biological Sciences 8 ( 4 ): 622 - 625 , 2005