Sentence: The purpose of this study was to determine the fertility rates following treatment by means of the BEACOPP regimen ( regular and escalated ) ( bleomycin , etoposide , doxorubicin , cyclophosphamide , vincristine , procarbazine , prednisone ) as compared to the ABVD regimen ( doxorubicin , vinblastine , dacarbazine , bleomycin ) in Hodgkin lymphoma patients under the age of 40 at the time of treatment .
Drug combination annotation:
[{'class': 'POS', 'spans': ['bleomycin', 'etoposide', 'doxorubicin', 'cyclophosphamide', 'vincristine', 'procarbazine', 'prednisone'], 'is_context_needed': True}, {'class': 'POS', 'spans': [8, 9, 10, 7], 'is_context_needed': True}]