Brown, V. J. (2008). Developing Story: No Link Observed between Prenatal PFOA/PFOS Exposure and Milestone Achievement. National Institute of Environmental Health Sciences.
Dyfyniad Arddull ChicagoBrown, Valerie J. Developing Story: No Link Observed between Prenatal PFOA/PFOS Exposure and Milestone Achievement. National Institute of Environmental Health Sciences, 2008.
Dyfyniad MLABrown, Valerie J. Developing Story: No Link Observed between Prenatal PFOA/PFOS Exposure and Milestone Achievement. National Institute of Environmental Health Sciences, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.