title: [Contrast-phase microscopy of cytological structures without preliminary staining; diagnostic value and practical application in biology].
authors.forename: V
authors.initials: V
authors.lastname: MATILLA
authors.forename: J
authors.initials: J
authors.lastname: BRAVO
authors.forename: G
authors.initials: G
authors.lastname: PIEDROLA
mesh_terms: D001695:Biology; D008853:Microscopy; D008858:Microscopy, Phase-Contrast; D013194:Staining and Labeling
vernacular_title: Observación de estructuras citológicas, sin tinción previa, por el dispositivo de contraste de fase; su valor diagnostico e interés práctico en biologia.