“… thymosin-alpha 1 by TECs was significantly inhibited … 3 x 10(-11) M, genistein (phytoestrogen) over 3 x 10(-9) M, coumestrol (phytoestrogen) over 3 x 10(-9) M, alpha-zearalanol (livestock … (plastic) over 3 x 10(-6) M. Small amounts of estrogen receptor were present in the TECs.”