3538578 N group normal group 26 3538613 N-group nasal group 1 3538605 N-group neurodegenerative parkinsonism or dementia 1 3538606 N-group neurology group 1 3538607 N-group nitroglycerin group 1 3538608 N-group node metastasis group 1 3538609 N-group non-improvement group 1 3538610 N-group non-penetration group 1 3538611 N-group non-vitrification group 1 3538603 N-group normotensive control group 1 3538604 N-group nutrition support group 1 3538612 N-group NZL treatment group 1