вот про ретиноиды и чувствительность кожи к солнцуhttp://www.oprah.com/style/Retinoid-Skin-Creams-Why-You-Should-Use-a-Retinoidа это с сайта кенсер. оргRetinoid therapy for neuroblastomaRetinoids are chemicals that are related to vitamin A. They are known as differentiating agents because they are thought to help some cancer cells to mature (differentiate) into normal cells.In children with high-risk neuroblastoma, treatment with a retinoid called 13-cis-retinoic acid (isotretinoin) reduces the risk of recurrence after high-dose chemotherapy and stem cell transplant.