Set	Query	Result	Comment
#4	#3 AND PY = (2011–2023)	139	TU AND Toxins and time limit
#3	#1 AND #2	172	TU AND Toxins
#2	TS = (safe* OR *toxic OR toxic* OR *toxin OR *toxins)	7,046,643	Toxins
#1	TS = (“Nannochloropsis oculata” OR “N oculata” OR “Nannochloropsis oculate” OR “N oculate” OR “Nannochloropsis occulata” OR “N occulata” OR “Nannochloropsis occulate” OR “N occulate”)	1,480	TU