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4 in total

1. Interspecific variability of DNA content in Amphibia.

Authors: W Beçak; M L Beçak; G Schreiber; D Lavalle; F O Amorim
Journal: Experientia Date: 1970

2. Polyploidy and mechanisms of karyotypic diversification in Amphibia.

Authors: M L Beçak; L Denaro; W Beçak
Journal: Cytogenetics Date: 1970

3. Further studies on polyploid amphibians (Ceratophrydidae). II. DNA content and nuclear volume.

Authors: W Beçak; M L Beçak; D Lavalle; G Schreiber
Journal: Chromosoma Date: 1967 Impact factor: 4.316

4. Cytological evidence of constant tetraploidy in the bisexual South American frog Odontophrynus americanus.

Authors: M L Beçak; W Beçak; M N Rabello
Journal: Chromosoma Date: 1966 Impact factor: 4.316

4 in total

3 in total

1. Chromosome structure: half-chromatids in chloroform treated metaphases.

Authors: M L Beçak
Journal: Experientia Date: 1974-10-15

2. Chromosome banding in Amphibia. IX. The polyploid karyotypes of Odontophrynus americanus and Ceratophrys ornata (Anura, Leptodactylidae).

Authors: M Schmid; T Haaf; W Schempp
Journal: Chromosoma Date: 1985 Impact factor: 4.316

3. The karyotype of three Brazilian Terrarana frogs (Amphibia, Anura) with evidence of a new Barycholos species.

Authors: Sérgio Siqueira; Odair Aguiar; André Pansonato; Ariovaldo A Giaretta; Christine Strüssmann; Itamar Martins; Shirlei M Recco-Pimentel
Journal: Genet Mol Biol Date: 2009-09-01 Impact factor: 1.771

3 in total