new_contents: import requests, untangle
  
  pmcid = 'PMC3834665'
  epmc_basequeryurl = "http://www.ebi.ac.uk/europepmc/webservices/rest/search"
  
  ''' Make query to EuropePMC'''
  query = {'query':pmcid,'resulttype':'core'}
  r = requests.get(epmc_basequeryurl, params=query)
  
  '''Use untangle to make python structure from xml'''
  obj = untangle.parse(r.text)
  
  print(obj.responseWrapper.hitCount.cdata)
  '''test the it is ok result i.e. only one result and that is a journal article'''
  if not obj.responseWrapper.hitCount.cdata == '1':
  	raise ValueError('More (or less) than 1 result')
  if 'Journal Article' not in ','.join([pubtype.cdata for pubtype in obj.responseWrapper.resultList.result.pubTypeList.pubType]):
  	raise ValueError('Not Journal')
  
  
  	
  ''' build metadata dictionary'''
  metadata = {}
  metadata['title'] = obj.responseWrapper.resultList.result.title.cdata
  metadata['date'] = obj.responseWrapper.resultList.result.firstPublicationDate.cdata
  metadata['volume'] = obj.responseWrapper.resultList.result.journalInfo.volume.cdata
  metadata['issue'] = obj.responseWrapper.resultList.result.journalInfo.issue.cdata
  metadata['pages'] = obj.responseWrapper.resultList.result.pageInfo.cdata
  #metadata['bibcode'] = obj.responseWrapper.resultList.result.journalInfo.volume.cdata
  
  metadata['doi'] = obj.responseWrapper.resultList.result.DOI.cdata
  metadata['issn'] = obj.responseWrapper.resultList.result.journalInfo.journal.ISSN.cdata
  metadata['pmid'] = obj.responseWrapper.resultList.result.pmid.cdata
  metadata['pmcid'] = obj.responseWrapper.resultList.result.pmcid.cdata
  
  print(metadata)
subject: Add basic search by pmcid