2 g L protein 6 the CSF sample contains 1 2 g L protein 7 in optimal cases the puncture needle should be introduced between cervical vertebra C1 C2 8 the normal CSF sample is colorless, odorless and water clear 9 the CSF is obtained from the interpeduncular cistern NEU 1010 buy priligy pills Only six of these women 35 had abnormal endometrial echoes greater than 6 mm, and eight 47 had normal endometrial echoes 5 mm or less