Gonadal development of larval male Xenopus laevis exposed to atrazine in outdoor microcosms - Jooste, A.M.; Du Preez, L.H.; Carr, J.A.; Giesy, J. P.; Gross, T. S.; Kendall, R.J.; Smith, E.E.; Van Der Kraak, G.; Solomon, K.R. (Environmental Science & Technology, 2005)