Cita APA (7a ed.)

Prados, C. (1999). The concentrations of five tumor markers in both bal fractions in lung cancer patients in relation to cigarette smoking. [s.n.].

Cita Chicago Style (17a ed.)

Prados, Concepción. The Concentrations of Five Tumor Markers in Both Bal Fractions in Lung Cancer Patients in Relation to Cigarette Smoking. [S.l.]: [s.n.], 1999.

Cita MLA (9a ed.)

Prados, Concepción. The Concentrations of Five Tumor Markers in Both Bal Fractions in Lung Cancer Patients in Relation to Cigarette Smoking. [s.n.], 1999.