[ etretinate ( ro 10-9359 , tigason ) and ccnu ( 1- ( 2-chloroethyl ) -3-cyclohexyl-l-nitrosourea ) and bleomycin versus ccnu and bleomycin in the treatment of advanced squamous cell carcinoma of the bronchus ( working group on internal medicine oncology study bs1/78 ) ] .
C0015137
etretinate
C0729231
tigason