Instruct: Classify Amazon reviews into positive or negative sentiment
Query: CECIL MEDICINE IS STILL THE STANDARD

THIS IS A STANDARD MEDICAL TEXT. IT IS DESIGNED FOR THE MEDICAL PROFESSIONAL OR MEDICAL STUDENT. IF YOU WANT THE ANSWER TO A MEDICAL QUESTION IT IS PROBABLY HERE. IF YOU ARE NOT A MEDICAL PROFESSINAL (MD), AND WANT ANSWERS, TRY THE "HOME EDITION OF THE MERCK MANUAL". FOR A MEDICAL MANUAL (MORE COMPLEX THAT HOME EDITIONS, BUT NOT A FULL BLOWN MEDICAL TEXT BOOK), TRY THE MERCK MANUAL IT HAS BEEN A STANDARD TO 100+ YEARS.