Ow effective are drugs in combatting cancer

How effective are drugs in combatting cancer 1500 with 10 references from books and website and journalist. NB put the references in the text with the sentences you used and from you own word and also put all of them at the end.

NB. please i do not need it like descriptive essay or comparing
i need it like critical writing.

NB. i need it very simple language but very very good in grammer.
NB. i need in English (UK) not English (US) because i am studing there.