This study investigated the phytochemical constituents and in vitro antibacterial efficacy of crude ethanolic and aqueous leaf extracts of three indigenous plant species collected from the karst landscapes of Peñablanca against multi-drug resistant clinical isolates of Staphylococcus aureus and Escherichia coli. Disc diffusion tests demonstrated significant zones of inhibition (p < 0.01) comparable to standard ciprofloxacin controls.

Evaluated the image contrast-to-noise ratio (CNR) and dose-area product (DAP) across 150 pediatric chest radiographic examinations using optimized exposure parameters in secondary and tertiary diagnostic centers in Cagayan Valley. Results demonstrated a 28% reduction in entrance surface dose without loss of diagnostic image quality.

A cross-sectional investigation examining structural empowerment, occupational stress markers, and resilience coping mechanisms among 210 registered bedside nurses in public and private medical institutions in Region II, offering institutional mental health intervention strategies.

Community-based epidemiological survey evaluating non-prescription antibiotic acquisition habits, risk awareness, and compliance with prescribed dosage regimens among heads of households in seven rural barangays in Peñablanca, Cagayan.