Some parts of the sentence given below have been jumbled up. You are required to re-arrange these parts which are labelled P, Q, R and S to produce the correct sentence. Choose the proper sequence from the options.
Medical practice (P)
in recent years (Q)
has changed so radically (R)
you only get specialists in a variety of fields (S)
that you can no longer find a good general practitioner The correct sequence should be