1989

1. Formation and instability of o-phthalaldehyde derivatives of amino acids

   Analytical Biochemistry, Vol. 178, Núm. 1, pp. 1-7

2. Spectrophotometric determination of n-acetylcysteine in drug formulations with o-phthalaldehyde and isoleucine

   The Analyst, Vol. 114, Núm. 8, pp. 975-977