URL: www.sciencedire ... http://www.sciencedirect.com/science/journal/00297844
URL: www.ovid.com/si ... http://www.ovid.com/site/catalog/Journal/1364.jsp?top=2&mid=3&bottom=7&subsection=12
URL: www.greenjourna ... http://www.greenjournal.org/
Wikipedia: ar.wikipedia.or ... https://ar.wikipedia.org/wiki/%D8%A3%D9%85%D8%B1%D8%A7%D8%B6_%D8%A7%D9%84%D9%86%D8%B3%D8%A7%D8%A1_%D9%88%D8%A7%D9%84%D8%AA%D9%88%D9%84%D9%8A%D8%AF_(%D9%85%D8%AC%D9%84%D8%A9)
Wikipedia: de.wikipedia.or ... https://de.wikipedia.org/wiki/Obstetrics_%26_Gynecology
Wikipedia: en.wikipedia.or ... https://en.wikipedia.org/wiki/Obstetrics_%26_Gynecology_(journal)
Wikipedia: fr.wikipedia.or ... https://fr.wikipedia.org/wiki/Obstetrics_%26_Gynecology
SUDOC: www.sudoc.fr/03 ... http://www.sudoc.fr/038763818
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q7075543
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/6eijdblhhffzvlnlq3uu55ur5m
URL: www.sciencedire ... http://www.sciencedirect.com/science/journal/00297844
URL: www.ovid.com/si ... http://www.ovid.com/site/catalog/Journal/1364.jsp?top=2&mid=3&bottom=7&subsection=12
URL: www.greenjourna ... http://www.greenjournal.org/
Wikipedia: ar.wikipedia.or ... https://ar.wikipedia.org/wiki/%D8%A3%D9%85%D8%B1%D8%A7%D8%B6_%D8%A7%D9%84%D9%86%D8%B3%D8%A7%D8%A1_%D9%88%D8%A7%D9%84%D8%AA%D9%88%D9%84%D9%8A%D8%AF_(%D9%85%D8%AC%D9%84%D8%A9)
Wikipedia: de.wikipedia.or ... https://de.wikipedia.org/wiki/Obstetrics_%26_Gynecology
Wikipedia: en.wikipedia.or ... https://en.wikipedia.org/wiki/Obstetrics_%26_Gynecology_(journal)
Wikipedia: fr.wikipedia.or ... https://fr.wikipedia.org/wiki/Obstetrics_%26_Gynecology
SUDOC: www.sudoc.fr/03 ... http://www.sudoc.fr/038763818
Wikidata: www.wikidata.or ... http://www.wikidata.org/entity/Q7075543
FATCAT: fatcat.wiki/con ... https://fatcat.wiki/container/6eijdblhhffzvlnlq3uu55ur5m
Google: www.google.com/ ... https://www.google.com/search?q=ISSN+%220029-7844%22
Bing: www.bing.com/se ... https://www.bing.com/search?q=ISSN+%220029-7844%22
Yahoo: search.yahoo.co ... https://search.yahoo.com/search?p=ISSN%20%220029-7844%22
CROSSREF: search.crossref ... https://search.crossref.org/?q=+0029-7844
Pubmed: pubmed.ncbi.nlm ... https://pubmed.ncbi.nlm.nih.gov/?term=%220029-7844%22%5BJournal%5D&sort=