Analysis of information sources in references of the Wikipedia article "史蒂芬·霍金" in Chinese language version.
Q: How frequent are these cases of very slow-progressing forms of ALS? A: I would say probably less than a few percent.
Q: How frequent are these cases of very slow-progressing forms of ALS? A: I would say probably less than a few percent.
Q: How frequent are these cases of very slow-progressing forms of ALS? A: I would say probably less than a few percent.
Q: How frequent are these cases of very slow-progressing forms of ALS? A: I would say probably less than a few percent.