Grupos sanguíneos, ¿por qué es importante conocerlos?

#iguru_soc_icon_wrap_6095e6d2a7d9e a{ background: transparent; }#iguru_soc_icon_wrap_6095e6d2a7d9e a:hover{ background: transparent; border-color: #2c8fa0; }#iguru_soc_icon_wrap_6095e6d2a7d9e a{ color: #2c8fa0; }#iguru_soc_icon_wrap_6095e6d2a7d9e a:hover{ color: #ffffff; }.iguru_module_social #soc_icon_6095e6d2a81191{ color: #ffffff; }.iguru_module_social #soc_icon_6095e6d2a81191:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_6095e6d2a81191{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6095e6d2a81191:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6095e6d2a813f2{ color: #ffffff; }.iguru_module_social #soc_icon_6095e6d2a813f2:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_6095e6d2a813f2{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6095e6d2a813f2:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6095e6d2a814d3{ color: #ffffff; }.iguru_module_social #soc_icon_6095e6d2a814d3:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_6095e6d2a814d3{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6095e6d2a814d3:hover{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6095e6d2a81584{ color: #ffffff; }.iguru_module_social #soc_icon_6095e6d2a81584:hover{ color: #2c8fa0; }.iguru_module_social #soc_icon_6095e6d2a81584{ background: rgba(255,255,255,0.01); }.iguru_module_social #soc_icon_6095e6d2a81584:hover{ background: rgba(255,255,255,0.01); }