[Sequential use of two developers with different contrast to produce black and white microphotographs for cytogenetic research].
D003582:Cytogenetics; D010784:Photomicrography / Q000379:methods*
Posledovatel'noe ispol'zovanie dvukh proiaviteleĭ razlichnoĭ kontrastnosti dlia polucheniia cherno-belykh mikrofotografiĭ pri tsitogeneticheskikh issledovaniiakh.