Possible Clues:

• One needs a doctor in charge of feet
• Like "To be or not to be"
• Describing a foot in metres?
• Line of poetry with unstressed-stressed syllables
• __ pentameter
• In the small hours, bishop in charge regularly stressed
• - Pentameter is heroic verse form
• Written in verse, in a way
• I am a pen writing verses
• One chapter underpinning the core of William Blake's verse