Critical insights into analytical methodologies for lidocaine hydrochloride and diltiazem hydrochloride: a comparative review. - Patel, Shivani; Patel, Archita; Chandarana, Chandni; Patel, Bhavesh; Patel, Mehul; Shah, Umang; Patel, Swayamprakash; Solanki, Nilay; Shah, Drashti; Patel, Ashish (Future Journal of Pharmaceutical Sciences, 2025)