Terms containing it is to be noted

Subject	English	Russian
math.	it is to be noted	заслуживает внимания
gen.	it is to be noted from the outset	следует заметить с самого начала
gen.	it is to be noted here that	при этом (Tamerlane)
gen.	it is to be noted that	следует отметить (It is to be noted that medical terms per se are also often euphemistic in their form. Kirill2)
gen.	it is to be noted that	следует отметить, что (oVoD)