Comparative study on different methods of sputum excretion in senile patient with chronic obstructive pulmonary disease

v1

Type:Journal Article

0 views

[![NobleID](https://www.nobleid.org/api/badge/ACF6F5F8.svg?ark=w1%2F20260515%2FACF6F5F8)](https://nobleid.org/work/w1/20260515/ACF6F5F8)

ARK Inflections

Bibliometric Analysis

Impact metrics, research fronts, co-authorship networks →

Authors & Claims

Paper Authors