Pasqual M, Hoshika E. Effects of naphthalene acetic acid and 6-benzylaminopurine on In vitro proliferation of cactus Gymnocalicium buldiamur L. and Mammilaria bocassana L. PAB. 1992;27(4):589-594. doi:10.1590/S1678-3921.pab1992.v27.3686