OUR resident specialist and NHS GP, Dr Zoe Williams, shares her expert advice. Today, Dr Zoe helps a reader who has been suffering from an itchy flaky scalp for over a year. Q: I’M a 72-year-old ...

Mal-PEG-SVA（马来酰亚胺-聚乙二醇-琥珀酰亚胺戊酸酯）是一种结合了马来酰亚胺（Maleimide，Mal）、聚乙二醇（PEG）和琥珀酰亚胺戊酸酯（Succinimidyl Valerate，SVA）的多功能聚合物。这种化合物因其高反应活性和多功能性，在生物医学、药物递送、生物分子修饰和材料 ...

Although the risk of acquiring PID at the time of insertion was not an issue for the woman presented in this case, historically she would not have been considered an appropriate candidate for an ...

The single-rod, etonogestrel-releasing, subdermal implant (ENG implant) is the most effective, long-acting reversible method of contraception available. The failure rate of the ENG implant is 0.05 ...