Fig. 4 in Positive association between PTN polymorphisms and schizophrenia in Northeast Chinese Han population.

Fig. 4. Ordination diagram of redundancy analysis (RDA) with 17 of the most common bird species recorded on Tenerife Island explained by the point-count locations in relation to distance from the road. Abbreviations of species names include the first one letter of the genus and the first three letters of species scientific names.