Title:Ultrasound: a fast low-cost tool for the diagnosis of rheumatoid arthritis in a specialized center / Ultrasonido: una herramienta rápida y de bajo costo para el diagnóstico de la artritis reumatoide en un centro especializado
Title:Ultrasound-assisted phase-transfer catalysis method in an aqueous medium to promote the Knoevenagel reaction: Advantages over the conventional and microwave-assisted solvent-free/catalyst-free method