Heat stress and physical capacity: a case study of semi-professional footballers - Golbabaei, Farideh; Zakerian, Seyyed Abolfazl; Fouladi Dehaghi, Behzad; Ibrahimi Ghavamabadi, Leila; Gharagozlou, Framarz; Mirzaei Aliabadi, Mostafa; Hematjo, Rasol (Iranian Journal of Public Health)