Cost-effectiveness analysis for implementation of smoking cessation strategies at primary health care settings in Tamil Nadu - Vasantha Mahalingam; Ramesh Kumar Santhanakrishnan; Muniyandi Malaisamy; Karthick Chelvanayagam; Kavi Mathiyazhagan; Adhin Bhaskar; Karikalan Nagarajan; Jerard Maria Selvam; Surendran Veeraiah; Kavitha Rajsekar; Kirti Tyagi; Ponnuraja Chinnaiyan (PLoS ONE, 2025)