For example âHad we but world enough, and time, This coyness, lady, were no crime.â in these two opening lines, Marvell uses punctuation in order to slow down the pace of the poem without interfering with the constant iambic tetrameter throughout the poem.
1 Erectile dysfunction drugs sildenafil (Viagra), tadalafil (Cialis) and vardenafil (Levitra). 2  Acetaminophen /paracetamol (Tylenol) concentrations were found to be increased in murine blood by white and pink grapefruit juice, with the white juice acting faster.
The side-effects of mixing grapefruit with medicines vary hugely from drug to drug. But some can be deadly. Overdosing on cancer drugs, antibiotics and some antipsychotic drugs can cause irregular heart rhythms and even sudden death.