bibliographic entry 12759969 [be/12759969]
https://w3id.org/oc/corpus/be/12759969

is a

• bibliographic reference

content

• Horwitz, RI, Feinstein, AR. The problem of “protopathic bias” in case-control studies, Am J Med, 1980, 68, 2, 255, 258, PMID: 7355896

references

• https://w3id.org/oc/corpus/br/821841