BACKGROUND We aimed to investigate the relationship between medical decisional capacity (MDC) and Karnofsky Performance Status (KPS) in adults with malignant brain tumors. METHODS Participants were 71 adults with primary (n = 26) or metastatic (n = 45) brain tumors. Testing to determine KPS scores and MDC was performed as close together as possible for each patient. Participants were administ...

mndo semi-empirical scf mo calculations are used to study the pyramidal nitrogen atom inversion and configurational equilibria in the title compounds.