multi stage and multi hierarchy S shaped curve

S-shaped Curve

Generalized S shaped extinction curve

S shaped extinction curve

S-shaped velocity curve

S-shaped growth curve

section s-s s-s

Picketage Model’s S Curve

s curve s

SⅠSⅡSⅢ syndrome

(S，S)-(+)-Tetrandrine

16S~23S rDNA inergenic spacer regions

16S~23S rDNA Ribosomal-Spacer-Region

16s~23s rRNA intergenic spacer region

16S-23S intergenic sequence

16S-23S rDNA intergenic

16S-23S rDNA intergenic spacer region

16S-23S rDNA intergenic spacer regions

16S-23S rDNA internal transcribed spacer ITS