tamoxifen retinopathy Samples were injected in split mode 1 200 using hydrogen as the carrier gas 30 mL min and eluted according to the following temperature program 150 C for 20 s, ramp at 35 C min, hold at 170 C for 3 min, ramp at 9 C min, hold at 225 C for 30 s, ramp at 80 C min, hold at 245 C for 2