Severity: Warning
Message: file_get_contents(https://...@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
Filename: helpers/my_audit_helper.php
Line Number: 176
Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 176
Function: file_get_contents
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 250
Function: simplexml_load_file_from_url
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3122
Function: getPubMedXML
File: /var/www/html/application/controllers/Detail.php
Line: 575
Function: pubMedSearch_Global
File: /var/www/html/application/controllers/Detail.php
Line: 489
Function: pubMedGetRelatedKeyword
File: /var/www/html/index.php
Line: 316
Function: require_once
Twin research proceeds at a rapid pace, with new findings constantly modifying our knowledge and thoughts about many issues. In the present article, this concept is applied to the writing of books and articles about twins, with special emphasis on the author's recent experience. My lead essay in most contributions to the News, Views and Comment section of this journal is usually followed by a review of current research findings; however, significant events necessitated a departure from this format. At this time, it is important to both honor and remember colleagues and twins, both past and present. The final entry in this article highlights media events that variously pose biological and social implications for our field. They include the hardships of Ukrainian twins during wartime; twins born in different years; identical twin surrogacy, a quaternary family and abducted twins in Serbia.
Download full-text PDF |
Source |
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http://dx.doi.org/10.1017/thg.2022.12 | DOI Listing |
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