TY - RPRT TI - Balloon needle for the atraumatic transcortical ventricular approach: technical note. AU - I Madrazo AU - R Franco-Bourland AU - M Aguilera AU - P Reyes AU - G GuĂ­zar-SahagĂșn PY - 1990 DO - 10.1016/0090-3019(90)90190-z UR - https://pubmed.ncbi.nlm.nih.gov/2315836/ ID - 2315836 ER -