Tracheobronchopathia osteochondroplastica as an unusual cause of chronic cough.

A cough that persists for more than 8 weeks is defined as a chronic cough. In routine practice, asthma, gastroesophageal reflux disease, and postnasal drip are the most common causes of chronic cough. A 58-year-old non-smoking male patient with no known comorbidities presented with a 3-month history of non-productive cough.

Analysis of retinal nerve fiber layer and macular thickness in amblyopic children treated with occlusion therapy.

: To study and evaluate the change in retinal nerve fiber layer (RNFL) and macular thickness and its clinical correlation with visual outcome following amblyopia therapy. : In this prospective interventional study, children with moderate to severe amblyopia were given optical correction and part-time occlusion therapy. Visual assessment and optical coherence tomography (OCT) were performed at days 0 and 3, 6 months of follow-up.

Speciation and Aqueous Dissolution of Macronutrients in Fire Ash: Variation across Ecosystems and the Effects on Nutrient Cycling.

This study investigated the speciation and aqueous dissolution of macronutrients in fire ash from diverse ecosystems and speciation of ash and smoke from laboratory burning, exploring the variations and their causes. The speciation of phosphorus (P), calcium (Ca), and potassium (K) in fire ash from five globally distributed ecosystems was characterized by using X-ray absorption spectroscopy and sequential fractionation. Aqueous dissolution of the macronutrients was measured by batch experiments at acidic and alkaline pHs.