2593
In this retrospective single - centre analysis , patients with relapsed or refractory HL treated with gemcitabine 1 , 000 mg / m ( 2 ) day ( D ) 1 , D8 and D15 ; methylprednisolone 1 , 000 mg D1 - 5 ; and cisplatin 100 mg / m ( 2 ) D15 , every 28 days ( GEM - P ) were included .
 Disease: HL; Chemical: gemcitabine; Chemical: methylprednisolone; Chemical: cisplatin; Chemical: GEM
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: HL; Chemical: gemcitabine; Chemical: methylprednisolone; Chemical: cisplatin; Chemical: GEM