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Ray Butterworth
  • Member for 2 years, 7 months
  • Last seen more than a month ago
5 votes
1 answer
180 views

Does mastectomy permanently prevent using the arms for blood samples?

4 votes
0 answers
61 views

What are safe vasodilators to help prevent chilblains?

4 votes
0 answers
97 views

Why does the world-wide COVID-19 death rate appear to be constant?

3 votes
1 answer
191 views

How to reduce half-life of caffeine?

3 votes
1 answer
337 views

Why use sucrose rather than glucose in an injectable vaccine?

3 votes
1 answer
95 views

CO2 buildup versus O2 depletion

2 votes
1 answer
147 views

What would have happened had Covid-19 not been treated as something special? [closed]

2 votes
0 answers
60 views

Why is the COVID-19 death rate so high in San Marino?

1 vote
1 answer
123 views

What is the long-term COVID-19 outlook?

1 vote
0 answers
72 views

Meaning of colored ring around iris

1 vote
1 answer
677 views

How do sphere and cylinder measurements combine in eyeglass prescriptions?