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Ray Butterworth's user avatar
Ray Butterworth's user avatar
Ray Butterworth's user avatar
Ray Butterworth
  • Member for 3 years, 9 months
  • Last seen more than a month ago
Profile Activity

13 Questions

Score Activity Newest Views
5 votes
1 answer
1k views

Does mastectomy permanently prevent using the arms for blood samples?

4 votes
0 answers
77 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?

4 votes
1 answer
442 views

How to reduce half-life of caffeine?

3 votes
1 answer
426 views

Why use sucrose rather than glucose in an injectable vaccine?

3 votes
1 answer
109 views

CO2 buildup versus O2 depletion

2 votes
1 answer
148 views

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

2 votes
0 answers
61 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
148 views

Meaning of colored ring around iris

1 vote
1 answer
2k views

How do sphere and cylinder measurements combine in eyeglass prescriptions?

1 vote
0 answers
14 views

Which of Colgate's messages about when to brush should one follow? [closed]

1 vote
0 answers
36 views

Can a gap between toes be caused by something other than "plantar plate tear"?

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