GBM ndi mtundu wometa utoto wachitsulo cholumikizira pogwiritsa ntchito tsamba lodula lomwe limagwiritsidwa ntchito kwambiri pazampani zopangira zitsulo.
Ndikuyenda mozungulira ndi m'mphepete mwa mbale yokhala ndi liwiro lalitali pafupifupi 1.5-2.8 min min. Ndi zitsanzo gbm-6d, gbm-6d-t, gbm-12d, gbm-12d-r, gbm-16d ndi gbm-16d-15d-9d-R fortive mitundu ya zitsulo zamitundu mitundu.
