[Effect of thoracotomy and exposure of the heart in situ on limb-lead electrocardiography in the frog].
D000818:Animals; D001001:Anura; D004562:Electrocardiography; D006321:Heart / Q000502:physiology*
Vliv otevrení hrudníku a obnazení srdce in situ na zabí koncetinový elektrokardiogram.