Table 4.

Search equations in each database.

Database	Search Strategy
PubMed	((Lung Neoplasms[MeSH Terms]) OR (Lung Cancer[Title/Abstract]) OR (Pulmonary Cancer[Title/Abstract]) OR (Pulmonary Neoplasms[Title/Abstract])) AND ((porifera[MeSH Terms]) OR (Demospongiae[Title/Abstract]) OR (marine sponge[Title/Abstract])) AND ((Antineoplastic Agents[MeSH Terms]) OR (Bioactive*[Title/Abstract]) OR (Antitumor*[Title/Abstract]) OR (Anticancer*[Title/Abstract]))
Scopus	(TITLE-ABS (lung AND neoplasms) OR TITLE-ABS (lung AND cancer) OR TITLE-ABS (lung AND adenocarcinoma) OR TITLE-ABS (pulmonary AND cancer) OR TITLE-ABS (pulmonary AND neoplasms)) AND (TITLE-ABS (porifera) OR TITLE-ABS (demospongiae) OR TITLE-ABS (marine AND sponge)) AND (TITLE-ABS (bioactive) OR TITLE-ABS (antitumor) OR TITLE-ABS (anticancer) OR TITLE-ABS (antineoplastic))
Web of Science	((TI = (Lung Neoplasms OR Lung Cancer OR Pulmonary Cancer OR Pulmonary Neoplasms)) OR (AB = (Lung Neoplasms OR Lung Cancer OR Pulmonary Cancer OR Pulmonary Neoplasms))) AND ((TI = (porifera OR demospongiae OR marine sponge)) OR (AB = (porifera OR demospongiae OR marine sponge))) AND ((TI = (bioactive OR antitumor OR anticancer OR antineoplastic)) OR (AB = (bioactive OR antitumor OR anticancer OR antineoplastic)))