父母于年迈之时与子女们签订了《房产分割、赡养父母协议》。可当母亲突发大病需要费用之时,分得房产之子不愿意一个人承担医疗费,其他子女又以未分得财产为由拒绝分担医疗费。老人该如何解决医疗费呢?[案件回放]2010年秋,年近七旬的肖伯与老伴儿刘玉香二位老人为解决晚年赡养与房产继承问题,经与4子女商议签订了一份《房产分割、赡养 Parents in their old age with their children signed a “real estate division, support parents agreement.” However, when the mother is in need of a serious outbreak of illness, the child who receives the property does not want to bear the medical expenses alone. The other children refuse to share the medical expenses on the ground that they have not been entitled to share the property. [Case Replay] In the autumn of 2010, Xiao Bo and his wife Liu Yuxiang, who were nearly seventy, in order to solve the problem of old age support and property inheritance, signed a "Real Estate Division , Support