Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2052315987', 'doi': 'https://doi.org/10.1126/science.178.4064.934-b', 'title': 'More Parts per Million', 'display_name': 'More Parts per Million', 'publication_year': 1972, 'publication_date': '1972-12-01', 'ids': {'openalex': 'https://openalex.org/W2052315987', 'doi': 'https://doi.org/10.1126/science.178.4064.934-b', 'mag': '2052315987', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/17774498'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1126/science.178.4064.934-b', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S3880285', 'display_name': 'Science', 'issn_l': '0036-8075', 'issn': ['0036-8075', '1095-9203'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315823', 'host_organization_name': 'American Association for the Advancement of Science', 'host_organization_lineage': ['https://openalex.org/P4310315823'], 'host_organization_lineage_names': ['American Association for the Advancement of Science'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5084495663', 'display_name': 'W. E. MacDonald', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I145608581', 'display_name': 'University of Miami', 'ror': 'https://ror.org/02dgjyy92', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I145608581']}], 'countries': ['US'], 'is_corresponding': True, 'raw_author_name': 'W. E. MacDonald', 'raw_affiliation_strings': ['School of Medicine, University of Miami, Coral Gables, Florida 33124'], 'affiliations': [{'raw_affiliation_string': 'School of Medicine, University of Miami, Coral Gables, Florida 33124', 'institution_ids': ['https://openalex.org/I145608581']}]}], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5084495663'], 'corresponding_institution_ids': ['https://openalex.org/I145608581'], 'apc_list': None, 'apc_paid': None, 'fwci': None, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 0, 'citation_normalized_percentile': None, 'cited_by_percentile_year': {'min': 0, 'max': 58}, 'biblio': {'volume': '178', 'issue': '4064', 'first_page': '934', 'last_page': '934'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': None, 'topics': [], 'keywords': [], 'concepts': [{'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.33410022}, {'id': 'https://openalex.org/C144133560', 'wikidata': 'https://www.wikidata.org/wiki/Q4830453', 'display_name': 'Business', 'level': 0, 'score': 0.32160148}], 'mesh': [], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1126/science.178.4064.934-b', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S3880285', 'display_name': 'Science', 'issn_l': '0036-8075', 'issn': ['0036-8075', '1095-9203'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310315823', 'host_organization_name': 'American Association for the Advancement of Science', 'host_organization_lineage': ['https://openalex.org/P4310315823'], 'host_organization_lineage_names': ['American Association for the Advancement of Science'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/17774498', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 1, 'referenced_works': ['https://openalex.org/W2069468546'], 'related_works': ['https://openalex.org/W4280521631', 'https://openalex.org/W3117958761', 'https://openalex.org/W3007404728', 'https://openalex.org/W2931838652', 'https://openalex.org/W2765153054', 'https://openalex.org/W2596173151', 'https://openalex.org/W2374021052', 'https://openalex.org/W2110536732', 'https://openalex.org/W2051331738', 'https://openalex.org/W1984740135'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2052315987', 'counts_by_year': [], 'updated_date': '2024-08-13T11:20:49.835102', 'created_date': '2016-06-24'}