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Die Pharmazie|June 1, 1978
Hydrolysis of cephalosporins in strongly acid mediumP R Bontchev, P PapazovaTalanta|November 1, 1980
A new catalytic method for determination of copper in blood serumS Gantcheva, P R BontchevTalanta|November 1, 1980
Mechanism of the copper(II)-catalysed peroxide oxidation of m-aminobenzoic acid and 1,3,5-trihydroxybenzene used for analytical purposesP R Bontchev, S GantchevaDie Pharmazie|August 1, 1977
Photometric extraction method for determination of cefalotinP Papazova, P R Bontchev, M KacarovaTalanta|November 1, 1987
Liquid-liquid extraction of metal ions by the 6-membered N-containing macrocycle hexacyclenS Arpadjan, M Mitewa, P R BontchevTalanta|January 1, 1983
New spectrophotometric method for determination of cephazolinP Papazova, P R Bontchev, M KacarovaSpectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy|March 24, 2004
Linear-dichroic infrared spectral analysis of Cu(I)-homocysteine complexB B Ivanova, M G Arnaudov, P R BontchevJapanese Journal of Medical Science & Biology|August 1, 1992
Metallothioneins in spontaneously hypertensive rat liverM Apostolova, P R Bontchev, C Nachev, et al.Pageof 2