{"doi":"10.1080/1536383x.2020.1868997","level1":"02 engineering and technology","level2":"0210 nano-technology","level3":"021001 nanoscience & nanotechnology"}
{"doi":"10.1080/1536383x.2020.1868997","level1":"01 natural sciences","level2":"0104 chemical sciences","level3":"010402 general chemistry"}
{"doi":"10.1186/s40425-019-0732-8","level1":"03 medical and health sciences","level2":"0302 clinical medicine","level3":"030220 oncology & carcinogenesis"}
{"doi":"10.1186/s40425-019-0732-8","level1":"03 medical and health sciences","level2":"0301 basic medicine","level3":"030304 developmental biology"}
{"doi":"10.1007/s10482-021-01529-3","level1":"03 medical and health sciences","level2":"0301 basic medicine","level3":"030304 developmental biology"}
{"doi":"10.1007/s10482-021-01529-3","level1":"03 medical and health sciences","level2":"0301 basic medicine","level3":"030306 microbiology"}
{"doi":"10.1155/2021/6643273","level1":"01 natural sciences","level2":"0103 physical sciences","level3":"010301 acoustics"}
{"doi":"10.1155/2021/6643273","level1":"02 engineering and technology","level2":"0209 industrial biotechnology","level3":"020901 industrial engineering & automation"}
{"doi":"10.12737/article_5d6613dbf2ad51.82646096","level1":"02 engineering and technology","level2":"0210 nano-technology","level3":"021001 nanoscience & nanotechnology"}
{"doi":"10.12737/article_5d6613dbf2ad51.82646096","level1":"01 natural sciences","level2":"0103 physical sciences","level3":"010302 applied physics"}
{"doi":"10.1216/jie.2020.32.457","level1":"01 natural sciences","level2":"0101 mathematics","level3":"010101 applied mathematics"}
{"doi":"10.1216/jie.2020.32.457","level1":"01 natural sciences","level2":"0101 mathematics","level3":"010102 general mathematics"}
{"doi":"10.3934/naco.2021021","level1":"02 engineering and technology","level2":"0211 other engineering and technologies","level3":"021103 operations research"}
{"doi":"10.3934/naco.2021021","level1":"02 engineering and technology","level2":"0209 industrial biotechnology","level3":"020901 industrial engineering & automation"}
{"doi":"10.1080/1034912x.2021.1910933","level1":"05 social sciences","level2":"050301 education","level3":"050301 education"}
{"doi":"10.1080/1034912x.2021.1910933","level1":"05 social sciences","level2":"0501 psychology and cognitive sciences","level3":"050104 developmental & child psychology"}
{"doi":"10.1016/j.rtbm.2020.100596","level1":"05 social sciences","level2":"0502 economics and business","level3":"050211 marketing"}
{"doi":"10.1016/j.rtbm.2020.100596","level1":"05 social sciences","level2":"0502 economics and business","level3":"050212 sport, leisure & tourism"}
{"doi":"10.14807/ijmp.v11i8.1220","level1":"05 social sciences","level2":"0502 economics and business","level3":"050211 marketing"}
{"doi":"10.14807/ijmp.v11i8.1220","level1":"05 social sciences","level2":"0502 economics and business","level3":"050203 business & management"}
{"doi":"10.1007/s13205-020-02415-x","level1":"03 medical and health sciences","level2":"0303 health sciences","level3":"030304 developmental biology"}
{"doi":"10.1007/s13205-020-02415-x","level1":"03 medical and health sciences","level2":"0303 health sciences","level3":"030302 biochemistry & molecular biology"}
{"doi":"10.3390/s18072310","level1":"04 agricultural and veterinary sciences","level2":"0404 agricultural biotechnology","level3":"040502 food science"}
{"doi":"10.3390/s18072310","level1":"03 medical and health sciences","level2":"0303 health sciences","level3":"030309 nutrition & dietetics"}
{"doi":"10.1063/5.0032658","level1":"01 natural sciences","level2":"0103 physical sciences","level3":"010304 chemical physics"}
{"doi":"10.1063/5.0032658","level1":"01 natural sciences","level2":"0104 chemical sciences","level3":"010402 general chemistry"}
{"doi":"10.1145/3411174.3411195","level1":"02 engineering and technology","level2":"0202 electrical engineering, electronic engineering, information engineering","level3":"020201 artificial intelligence & image processing"}
{"doi":"10.1145/3411174.3411195","level1":"02 engineering and technology","level2":"0202 electrical engineering, electronic engineering, information engineering","level3":"020206 networking & telecommunications"}
{"doi":"10.1021/acs.joc.0c02755","level1":"01 natural sciences","level2":"0104 chemical sciences","level3":"010405 organic chemistry"}
{"doi":"10.1021/acs.joc.0c02755","level1":"01 natural sciences","level2":"0104 chemical sciences","level3":"010402 general chemistry"}
{"doi":"10.1002/jcp.28608","level1":"03 medical and health sciences","level2":"0302 clinical medicine","level3":"030220 oncology & carcinogenesis"}
{"doi":"10.1002/jcp.28608","level1":"03 medical and health sciences","level2":"0301 basic medicine","level3":"030304 developmental biology"}
{"doi":"10.1097/cmr.0000000000000579","level1":"03 medical and health sciences","level2":"0302 clinical medicine","level3":"030220 oncology & carcinogenesis"}
{"doi":"10.1097/cmr.0000000000000579","level1":"03 medical and health sciences","level2":"0301 basic medicine","level3":"030304 developmental biology"}
{"doi":"10.1007/s11164-020-04383-6","level1":"01 natural sciences","level2":"0104 chemical sciences","level3":"010405 organic chemistry"}
{"doi":"10.1007/s11164-020-04383-6","level1":"01 natural sciences","level2":"0104 chemical sciences","level3":"010402 general chemistry"}
{"doi":"10.1016/j.actpsy.2020.103155","level1":"05 social sciences","level2":"0501 psychology and cognitive sciences","level3":"050105 experimental psychology"}
{"doi":"10.1016/j.actpsy.2020.103155","level1":"03 medical and health sciences","level2":"0302 clinical medicine","level3":"030217 neurology & neurosurgery"}
{"doi":"10.1109/memea49120.2020.9137187","level1":"02 engineering and technology","level2":"0202 electrical engineering, electronic engineering, information engineering","level3":"020208 electrical & electronic engineering"}