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on day vs at day

on day vs at day which is much better to use in a sentence. Which is more popular in English form?

Looking on the internet deeply has found these results:

on day is the most popular phrase on the web.

at day

111,000,000 results on the web

on day

1184,000,000 results on the web

More popular!

Some examples and use cases from the internet:

Some examples and use cases from the internet:

  • The application was at day 179 when the company withdrew.
  • Long
  • A 4
  • fold increase in serum neutralising antibody titres was obtained in 91.4% of subjects at day 42.
  • A neutralising antibody titre of at least 1:80 was achieved in 97.8% of subjects at day 42.
  • 0.25 ml for first three injections (at day 1, 3 and 5 of therapy).
  • 0.5 ml for the injections at day 7, 9 and 11 of therapy.
  • DOC Concentration in sterile control at day 0
  • GTP appeared within 3 to 25 hours on day 1.
  • It was on day 13 of cycle 60.
  • Both regimens were administered on day 1 every 3 weeks.
  • Cetrotide 3 mg is given as a single dose on day 7.
  • She was on day 26 of a 30
  • day program.
  • Competing on day two means you have more time to prepare.
  • Intracellular Cmax for ara

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