“…Chest X-rays were routinely done in five studies ( 4 , 9 , 12 , 15 , 22 ). Serum biochemistry was declared done in five studies ( 5 , 7 , 11 , 15 , 22 ) . VDRL, Venereal Disease Research Laboratory test; ESR, Erythrocyte Sedimentation Rate; HIV abs, HIV antibody assays; CSF, Cerebral spinal fluid; MRI, magnetic resonance imaging; CT, computed tomography.…”