Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleEnzymic reactions in heterogeneous phase, preparation of 17a, 20<sup>β</sup>, 21-trihydroxypregn-4 [<sup>14</sup>C] en-3, 11-dione.AuthorsCremonesi, Pietro; Casellato, Maria MaddalenaPublicationJournal of Labelled Compounds & Radiopharmaceuticals, 1973, Vol 9, Issue 3, p521ISSN0362-4803Publication typeArticleDOI10.1002/jlcr.2590090316