by Pedro Nel Cardona C
Published in Revista colombiana de obstetricia y ginecología (31.12.1969)

by Pedro Nel Cardona C, Absalón Guzmán A., Fernando Cardona A., René Díaz C., Gustavo Isaza M.
Published in Revista colombiana de obstetricia y ginecología (28.02.1962)

by Pedro Nel Cardona C., René Díaz Correa, Gustavo Isaza Mejía, Gonzalo Vásquez Vásquez, Fernando Cardona Arango
Published in Revista colombiana de obstetricia y ginecología (29.02.1960)

by Pedro Nel Cardona C, Fernando Cardona A ., Ramiro Zúñiga
Published in Revista colombiana de obstetricia y ginecología (29.06.1960)

by Pedro Nel Cardona C., Gustavo Isaza Mejía, Fernando Cardona Arango
Published in Revista colombiana de obstetricia y ginecología (29.02.1960)

by Pedro Nel Cardona C., Fernando Cardona A., Ramiro Zúñiga G.
Published in Revista colombiana de obstetricia y ginecología (29.02.1960)

by Pedro Nel Cardona C, Gustavo Isaza M., Gonzalo Vásquez, Fernando Cardona A.
Published in Revista colombiana de obstetricia y ginecología (31.10.1958)