Estudio toxicológico y fitoquímico de Pernettia coriacea Klotzsch

by Sáenz, J. A., Nassar, Maryssia
Published 1967

Toxic effect of the fruit of Passiflora adenopoda D. C. on humans: phytochemical determination

by Sáenz, J. A., Nassar, Maryssia
Published 1972

Phytochemical screening of Costa Rican plants: Alkaloid analysis. VI.

by Sáenz, J. A., Nassar, Maryssia, Sáenz Gómez, Vera
Published 1981

Lycoperdaceae of Costa Rica. I. The genus Morganella

by Morales, María Isabel, Nassar, Maryssia, Saénz, J. A.
Published 1973

Clave para Falales (Phallales) de Costa Rica

by Sáenz, J. A., Nassar, Maryssia, Morales, María Isabel
Published 1973