term=PMID%3A+'F_url=href+abstractr=requests.get(F_url)r.encoding='utf-8'root1=etree.HTML(r.content)title=root1.xpath('//*[@id="maincontent"]/div/div[5]/div/h1/text()')next_url=root1.xpath('//*[@id="EntrezForm"]/div[1]/div[6]/div/div[1]/a/@href')print(next_url)r1...