El uso de plaguicidas en America latina. Tendencias e implicaciones ambientales = L'utilisation des pesticides en Amérique latine. Evolution et conséquences pour l'environnement = Pesticide use in Latin America: trends and environmental implicationsCONSTENLA, M. A.International symposium on changing perspectives in agrochemicals: isotopics techniques for the study of food and environmental implications. 1988, pp 123-147Conference Paper

Residuos de plaguicidas organoclorados en tejido adiposo humano en Costa Rica = Résidus de pesticides organochlorés dans le tissu adipeux au Costa Rica = Organochlorine pesticides residues in human adipose material in Costa RicaBARQUERO, M; CONSTENLA, M. A.Revista de biología tropical. 1986, Vol 34, Num 1, pp 7-12, issn 0034-7744Article

Flavonoid and other constituents of Bauhinia mancaACHENBACH, H; STÖCKER, M; CONSTENLA, M. A et al.Phytochemistry. 1988, Vol 27, Num 6, pp 1835-1841, issn 0031-9422Article

Fevicordin A and fevicordin A glucoside, novel norcucurbitacins from Fevillea cordifoliaACHENBACH, H; HEFTER-BÜBL, U; CONSTENLA, M. A et al.Journal of the Chemical Society. Chemical communications. 1987, Num 6, pp 441-442, issn 0022-4936Article

Chemical investigations of tropical medicinal plants. XXI: Long chain alkyl esters of ferulic and p-coumaric acid from Bauhinia mancaACHENBACH, H; STÖCKER, M; CONSTENLA, M. A et al.Zeitschrift fur Naturforschung. Section C, Biosciences. 1986, Vol 41, Num 1-2, pp 165-168, issn 0341-0382Article

Fate of buturon-¹⁴C in soil during seven seasons of exposure under outdoor conditionsCONSTENLA, M. A; MOZA, P; SCHEUNERT, I et al.Journal of agricultural and food chemistry (Print). 1984, Vol 32, Num 2, pp 208-211, issn 0021-8561Article

Gaschromatographische Analyse des Samenfettes der mittelamerikanischen Fevillea cordifolia (Cucurbitaceae) = Gaschromatographic analysis of the seed fat of the middle american Fevillea cordifolia (Cucurbitaceae)ACHENBACH, H; HEFTER-BÜBL, U; WAIBEL, R et al.Fett (Weinheim). 1992, Vol 94, Num 8, pp 294-297, issn 0931-5985Article

Constituents of Fevillea cordifolia : new norcucurbitacin and cucurbitacin glycosidesACHENBACH, H; WAIBEL, R; HEFTER-BÜBL, U et al.Journal of natural products (Print). 1993, Vol 56, Num 9, pp 1506-1519, issn 0163-3864Article

Paraquat behavior in Costa Rican soils and residues in coffeeCONSTENLA, M. A; RILEY, D; KENNEDY, S. H et al.Journal of agricultural and food chemistry (Print). 1990, Vol 38, Num 10, pp 1985-1988, issn 0021-8561, 4 p.Article

Studies of methamidophos-C-14 in Costa Rican vegetables and soilsCARAZO, E; CONSTENLA, M. A; FUENTES, G et al.Chemosphere (Oxford). 1984, Vol 13, Num 8, pp 939-946, issn 0045-6535Article