Effect of supplementation with leucine alone, with other nutrients or with physical exercise in older people with sarcopenia: a systematic review Enrique Conde Maldonado; Diego Marqués-Jiménez; Patricia Casas-Agustench; Anna Bach-Faig;

Therapeutic effects of chromium supplementation on women with polycystic ovarian syndrome: A systematic review and meta-analysis Mohammed Hamsho; Yazan Ranneh; Abdulmannan Fadel;

Relationship of circulating resistin levels with muscle mass determined by bioelectrical impedance in females with obesity Daniel de Luis; David Primo; Olatz Izaola; Emilia Gómez Hoyos; Juan José López Gómez;