Search for "reduction of carbonyl group" in Full Text gives 3 result(s) in Beilstein Journal of Organic Chemistry.
Beilstein J. Org. Chem. 2019, 15, 2428–2437, doi:10.3762/bjoc.15.235
Beilstein J. Org. Chem. 2017, 13, 1513–1517, doi:10.3762/bjoc.13.150
Beilstein J. Org. Chem. 2008, 4, No. 53, doi:10.3762/bjoc.4.53