Friedman, L., Higgin, J. J., Moulder, G., Barstead, R., Raines, R. T., & Kimble, J. (2000). Prolyl 4-hydroxylase is required for viability and morphogenesis in Caenorhabditis elegans. The National Academy of Sciences.

Friedman, Lisa, Joshua J. Higgin, Gary Moulder, Robert Barstead, Ronald T. Raines, και Judith Kimble. Prolyl 4-hydroxylase Is Required for Viability And Morphogenesis In Caenorhabditis Elegans. The National Academy of Sciences, 2000.

Friedman, Lisa, et al. Prolyl 4-hydroxylase Is Required for Viability And Morphogenesis In Caenorhabditis Elegans. The National Academy of Sciences, 2000.