Document Classification

Section Type: BACKGROUND

Text: They were randomly allocated to one of three groups : (1) group Morphine (M) : 10 mg of isobaric bupivacaine 0. 5 % (2 ml) +100 microg morphine (1 ml) +10 microg fentanyl (0. 1 ml) +1 ml of isotonic saline solution, (2) group Magnesium (Mg) : 10mg of isobaric bupivacaine 0. 5 % (2 ml) +100 mg of magnesium sulphate 10 % (1 ml) +10 microg fentanyl (0. 1 ml) +1 ml of isotonic saline solution, (3) group Morphine + Magnesium (MMg) : 10mg of isobaric bupivacaine 0. 5 % (2 ml) +100 mg of magnesium sulphate 10 % (1 ml) +100 microg morphine (1 ml) +10 microg fentanyl (0. 1 ml).