public async Task<List<PubMedArticle>> FetchPubMedArticlesAsync(string pubMedIdList)
 {
     var pubMedFetch = new PubMedFetch();
     return await pubMedFetch.GetPubMedArticlesAsync(pubMedIdList);
 }
 public async Task<string> FetchPubMedArticleRawAsync(string pubMedId)
 {
     var pubMedFetch = new PubMedFetch();
     return await pubMedFetch.GetPubMedArticleRawAsync(pubMedId);
 }