When trying to install the extension and thus creating the database table via "php /maintenance/update.php" I get the following PHP fatal:
PHP Catchable fatal error: Argument 1 passed to PubmedParser\Extension::createTable() must be an instance of PubmedParser\DatabaseUpdater, instance of MysqlUpdater given in /.../w/extensions/PubmedParser/PubmedParser.Extension.php on line 57
So I created the table manually. Anyway a fix for this will be great.