APA

Niezbrzycka-Andrzejewska K., Biala D. & Lembas J. (19760802). [Blood copper and lead levels and cholinesterase as well as delta-aminolevulinic acid dehydratase activity in erythrocytes in children living in the vicinity of a copper smelter]. : Polski tygodnik lekarski (Warsaw, Poland : 1960).

Chicago

Niezbrzycka-Andrzejewska K, Biala D and Lembas J. 19760802. [Blood copper and lead levels and cholinesterase as well as delta-aminolevulinic acid dehydratase activity in erythrocytes in children living in the vicinity of a copper smelter]. : Polski tygodnik lekarski (Warsaw, Poland : 1960).

Harvard

Niezbrzycka-Andrzejewska K., Biala D. and Lembas J. (19760802). [Blood copper and lead levels and cholinesterase as well as delta-aminolevulinic acid dehydratase activity in erythrocytes in children living in the vicinity of a copper smelter]. : Polski tygodnik lekarski (Warsaw, Poland : 1960).

MLA

Niezbrzycka-Andrzejewska K, Biala D and Lembas J. [Blood copper and lead levels and cholinesterase as well as delta-aminolevulinic acid dehydratase activity in erythrocytes in children living in the vicinity of a copper smelter]. : Polski tygodnik lekarski (Warsaw, Poland : 1960). 19760802.