A nifedipine sustained release dosage form was prepared by using hot-melt batch
coating. Substrates are sugar beads, mesh size 30-35. Stearic acid, Acid Triglyceride, and
carnauba wax were coating agents used to make single layer coated beads and multiple
layer coated beads containing nifedipine. Dissolution of nifedipine from the beads...
A large number of river otter (Lontra canadensis) males were collected
from areas of high and low contaminant concentrations throughout western
Oregon and Washington during the fall and winter of 1994-99. Few significant
non-reproductive organ morphometric differences were found in the large series
of male otters collected, except for adrenal...
A large number of river otter (Lontra canadensis) males were collected
from areas of high and low contaminant concentrations throughout western
Oregon and Washington during the fall and winter of 1994-99. Few significant
non-reproductive organ morphometric differences were found in the large series
of male otters collected, except for adrenal...