system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Gene expe used for getting diagnosis of TB in ?
assistant
The correct answer is  Ans. is 'a' i.e., 1-2 hrs. Results are obtained from unprocessed sputum samples in 90 minutes, with minimal biohazard and very little technical traning required to operate.