[Present status and future problems on the research and development of artificial heart (author's transl)].
D000328:Adult; D000368:Aged; D000818:Animals; D005260:Female; D006041:Goats; D006354:Heart, Artificial / Q000009:adverse effects; D006355:Heart-Lung Machine; D006801:Humans; D008297:Male; D008875:Middle Aged; D012756:Sheep