Which of the following statements is true?
a) Atypical antipsychotics have little demonstrated positive effect on treating symptoms of schizophrenia.
b) Atypical antipsychotics are inferior to older medications, leading most psychiatrists to abandon them.
c) Although the atypical antipsychotics are superior to older medications, more work is needed to determine which of them are the safest and most effective, and for which patients.
d) Researchers have determined which atypical antipsychotics are the safest and most effective and have identified which patients do best with which medicine.