bibliographic entry 7698436 [be/7698436]
https://w3id.org/oc/corpus/be/7698436

is a

• bibliographic reference

content

• Puylaert JBCM. Ultrasonography for diagnosing appendicitis. BMJ 1988; 297: 740. PMID: 3147754

references

• https://w3id.org/oc/corpus/br/6049657