G.Andrietta, S.R.Andrietta, M.V.N.Rodrigues, C.O.Hoka e G.E.Serra,
``Selection od Industrial Complex Medium for Cephalosporin C Production'',
Revista de Microbiologia,
28(1), 109-113,
(1997).
J.E.de Carvalho, L.M.B.Torres, C.Souccar e A.J.Lapa,
``Pharmacological properties and identification of cardiotonic principles from the Indian Snuff, maquira sclerophylla, Ducke'',
Phytotherapy Research,
11(1), 36-41,
(1997).