The 2020 impact factor in the field of immunization announced!

2021 Nian impact factor has been fully released in January this year, Clarivate (Branch Rui Wei Ann) published an article on the show that the effect June 30, 2021 published 2020 annual calculation factor in the occurrence of some changes, adopt a "forward-looking Mode"
.

2021 Nian impact factor has been fully released, the impact factor in January this year, Clarivate (Branch Rui Wei Ann) published an article on the show, the impact factor calculation method of the annual 2020 June 30, 2021 announced some changes, use a " Forward-looking model"
.

In January of this year, Clarivate published an article stating that the calculation method of the 2020 impact factor announced on June 30, 2021 has undergone some changes, adopting a "forward-looking model"

The "forward-looking model" mentioned here is to include Early Access 's article when calculating the impact factor

2.
Have DOI and will not change;

3.
Including the publication time of Early Access;

4.
If there are references, be sure to include them;

5.
Does not include volume, issue, page and final publication time;

6.
Published in journals with volumes and issues
.

In other words, papers that meet the above six conditions at the same time are called Early Access articles
.

From this year on, the impact factor will be calculated based on the publication time of Early Access (not the final publication time).

Calculated based on the electronic publication date of the paper, not the printed publication date

The editor of Metz has compiled the TOP 20 journals in the field of immunology in 2020.
What journals are there? Come take a look!

The editor of Metz has compiled the TOP 20 journals in the field of immunology in 2020.
What journals are there? Come take a look!

Selected publications based SCI is literature analysis, that US intelligence experts add Feld science citation analysis presented
.

The analysis to the frequency of journal articles are cited as the evaluation price index, citation frequency is higher, the greater the impact of the journal

Selected publications based SCI is literature analysis, that US intelligence experts add Feld science citation analysis presented

Scientific research has never been smooth sailing.

The popularity of journals is sorted by MedSci Index (MI) size

Scan the QR code and download the Metz Medical app to learn about journal dynamics, H index, and Metz index for the first time! Get to know the news of journals, H index, and Metz index for the first time!

Let's review the correct posture of the query again:

Let us review the correct posture of the query again: Let us review the correct posture of the query again:

Step 1: Open the Metz Medical app , enter the homepage and click [Journal]

The first step: the first step: open the Metz medical app , enter the home page and click [Journal]

Step 2: Select the field and check the journal impact factor and Maces index
.

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The second step:

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