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Several observations from preclinical and short-term clinical studies support a role for sildenafil in the treatment of heart failure patients. The following discussion briefly considers each of ...

In preliminary Doppler sonographic studies of healthy young women, it was demonstrated that the clitoral arterial blood flow increases following vaginal pressure stimulation, [34] slightly ...

A boy took his father's Viagra tablets to school and handed them out to his friends during their lunch break. The youngster and five fellow pupils, all aged 12 and 13, were taken to hospital after ...

Here, the authors report the synthesis and isolation of a stannylene with carbodiphosphorane ligand and characterize its catalytic activity in the hydrodefluorination reaction of fluoroarenes.

State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, and Chemical Biology Center, Peking University, 38 Xueyuan Road, Beijing 100191, China ...

Synthetic biology is the design and construction of new biological parts, devices, and systems, and the re-design of existing, natural biological systems for useful purposes. Context-dependent ...