In total, 23 arterial blood samples were withdrawn from the femoral artery.
Blood samples were withdrawn from the other ear vein at different time intervals ranging from 5 mins-24 h.
Blood samples were withdrawn before meal (time 0) and after 15, 30, 60, 120, 180, and 240 minutes and were analyzed for ghrelin, insulin, and glucose.
Blood samples were withdrawn prior to the one week depletion period, at the start of the intervention phase and thereafter weekly during intervention.
Blood samples were withdrawn manually from a femoral artery (left/right side depending on accessibility of arterial cannulation) during the PET scan.
Baseline and hCG day peripheral blood samples were withdrawn from 20 women with undergoing superovulation for unexplained infertility and baseline and luteinizing hormone (LH) peak day samples were also withdrawn from another 20 infertile women with unexplained infertility.
Because of known connection of alcohol to trauma and the order of the investigation authorities, many blood samples were withdrawn from autopsy cases referred the medico-legal directorate in Baghdad and sent to alcohol toxicology lab.
At the end of the 13th week post treatment, blood samples were withdrawn from the medial canthus of the eye using micro hematocrit tubes into a clean test tube [18].
Arterial blood samples were withdrawn at baseline, after ARDS induction and 30 and 120 min after the onset of LPV or TLV for the evaluation of arterial pH, bicarbonates blood levels, partial pressures of oxygen (PaO2) and carbon dioxide (PaCO2).
Blood samples were withdrawn and collected in glass tubes; serum was separated by centrifugation at 1800×g for 10 min and stored at 4 °C to determine serum testosterone.
Continuous arterial blood samples were withdrawn for 40 min at a rate of 10 μL/min using a microvolumetric blood counter (μBC, Gamma Medica-Ideas) as described by Convert et al. [9].
