[求助]请帮忙查找两篇文章

诸位朋友:
  请帮忙查找两篇英文原文,非常感谢.
[Value of ultrasound diagnosis in Legg-Calv茅-Perthes disease].Schweiz Rundsch Med Prax. 2003 Jun 11;92(24):1123-7.Kayser R, Franke J, 和[Ultrasonography in the diagnostic approach of septic arthritis].Orthop Reparatrice Appar Mot. 1997;83(2):148-55. Mnif J, Khannous M,