Tullar recommends using more main entries or first-level subentries rather than going beyond a third level of subentry, as in this example, adapted from Tullar: Not: cancer treatment of ...
MoreTullar recommends using more main entries or first-level subentries rather than going beyond a third level of subentry, as in this example, adapted from Tullar: Not: cancer treatment of pharmacologic cyclophosphamide for adverse effects of thrombocytopenia Preferred: cancer treatment of pharmacologic See also individual drugs chemotherapy adverse effects of See also individual drugs cyclophosphamide adverse effects of thrombocytopenia from drug-induced disorders from cyclophosphamide thrombocytopenia thrombocytopenia from cyclophosphamide drug-induced Even when a main heading cites the entire page range of the discussion of a particular topic, it is useful to include subtopics as subentries so that the reader is aware that
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