Publisher: BMJ Publishing Group Ltd Country of Publication: England NLM ID: 101552874 Publication Model: Electronic Cited Medium: Internet ISSN: 2044-6055 (Electronic) Linking ISSN: 20446055 NLM ISO Abbreviation: BMJ Open Subsets: MEDLINE
Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 7610646 Publication Model: Print Cited Medium: Print ISSN: 0362-2436 (Print) Linking ISSN: 03622436 NLM ISO Abbreviation: Spine (Phila Pa 1976) Subsets: MEDLINE
Publisher: Centro Editor Livreiro da Ordem dos Médicos Country of Publication: Portugal NLM ID: 7906803 Publication Model: Print Cited Medium: Print ISSN: 0870-399X (Print) Linking ISSN: 0870399X NLM ISO Abbreviation: Acta Med Port Subsets: MEDLINE
Publisher: Centro Editor Livreiro da Ordem dos Médicos Country of Publication: Portugal NLM ID: 7906803 Publication Model: Print Cited Medium: Print ISSN: 0870-399X (Print) Linking ISSN: 0870399X NLM ISO Abbreviation: Acta Med Port Subsets: MEDLINE
Publisher: Centro Editor Livreiro da Ordem dos Médicos Country of Publication: Portugal NLM ID: 7906803 Publication Model: Print Cited Medium: Print ISSN: 0870-399X (Print) Linking ISSN: 0870399X NLM ISO Abbreviation: Acta Med Port Subsets: MEDLINE
Publisher: Lippincott Williams & Wilkins Country of Publication: England NLM ID: 8710219 Publication Model: Print Cited Medium: Print ISSN: 0269-9370 (Print) Linking ISSN: 02699370 NLM ISO Abbreviation: AIDS Subsets: MEDLINE