K27
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Страница 2: ... four stages of haemorrhoids and external haemorrhoids Model 1 Anal cushion healthy 2 Plexus venosus rectalis externus healthy formed by the external branches of the vena rectalis inferior 3 Haemorrhoids stage I slight bulging not visible or externally palpable upper linea dentate 4 Haemorrhoids stage II nodules protrude when pressed retract automatically 5 External haemorrhoids often only appear ...
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