Effect of Long-Term Doxycycline as Adjuvant Therapy in Male Patients with Chronic Obstructive Pulmonary Disease http://127.0.0.1/xmlui/handle/123456789/9563 Thu, 16 Apr 2026 16:26:07 GMT 2026-04-16T16:26:07Z Effect of Long-Term Doxycycline as Adjuvant Therapy in Male Patients with Chronic Obstructive Pulmonary Disease http://127.0.0.1/xmlui/handle/123456789/9564 Effect of Long-Term Doxycycline as Adjuvant Therapy in Male Patients with Chronic Obstructive Pulmonary Disease Singh, Brajesh Fri, 01 Jan 2021 00:00:00 GMT http://127.0.0.1/xmlui/handle/123456789/9564 2021-01-01T00:00:00Z