Figure 1From: Placental transfer of the polybrominated diphenyl ethers BDE-47, BDE-99 and BDE-209 in a human placenta perfusion system: an experimental study Placenta perfusion of BDE-47 and BDE-99. Concentration (ng/ml) and standard deviation of four hour placenta perfusions of a) BDE-47 and b) BDE-99 after addition of 1 ng/mL of each congener to the maternal compartment at t = 0. (0-60 min: n = 5; 130-240 min: n = 4).Back to article page