Answer: MCATS

AnswerCrossword Clue
MCATSFuture docs' exams
MCATSExams for many junior biology majors
MCATSExams for future docs
MCATSExams for future drs.
MCATSWhat aspiring docs take
MCATSWould-be drs.' exams
MCATSExams for drs. to be
MCATSHurdles for future E.N.T.'s and G.P.'s
MCATSHurdles for future docs
MCATSExams for future OB-GYNs
MCATSHurdles for future M.D.s
MCATSExams for some bio majors
MCATSHurdles for would-be G.P.s