Even with managed care efforts to decrease expensive ED visits, the number of ED patients has increased, so primary care and EDs have to work together.
Primary care and EDs have to cooperate because ED patients have increased.
Cooperation between primary care and EDs is not necessary.
the man is on the sidewalk
A band is playing while people with their faces painted sit at a table.
Two people taking a walk in the sun.
France is more vulnerable than the US.
Someone is watching the water.
A person is having their photograph taken.