3630027 MAO-A and MAO-B monoamine oxidase A and B 19 2191643 MAO A and B monoamine oxidase A and B 9 3630025 MAOA and MAOB Monoamine oxidases A and B 7 2727978 MAO-A, MAO-B monoamine oxidase-A and -B 3 2991199 MAOs monoamine oxidases A and B 3 2191646 MAO-A and B monoamine oxidase A and B 2 2727976 MAO A, MAO B monoamine oxidase A and B 1