2Nuviala RJ, Lapieza MG, Castillo MC, et al. Effect of physical training on hematological parameters in young swimmers. Sangre (Barc), 1992,37 : 363-367.
3Nuviala RJ, Lapieza MG, Castillo MC, et al. Effect of physi-cal training on hematological parameters in young swimmers[J]. Sangre (Barc), 1992; 37:363.