The record
The peer-reviewed public-health literature independently documents the industry's asbestos-in-talc measurement controversy of 1971-1976.
Claim scope
An independent, peer-reviewed, PubMed-indexed source for the pre-1992 measurement-and-detection history, verified per-record: PMID 31095409, Am J Public Health 2019;109:969-974, DOI 10.2105/AJPH.2019.305085, PMC6603445, first author Rosner (Columbia Mailman School).
What this source does not establish
It is a historical analysis, not a risk-measure study. It carries no SMR/RR/OR and cannot be cited for a quantitative risk claim.
Limitations
VERIFICATION NOTE: this PMID was mis-mapped in the project groundwork file, which had 31095409, 32175619 and 31609780 rotated. Verified per-record here. 32175619 = Emory et al., 'Malignant mesothelioma following repeated exposures to cosmetic talc: A case series of 75 patients', Am J Ind Med 2020;63:484-489. 31609780 = Moline et al., 'Mesothelioma Associated With the Use of Cosmetic Talc', J Occup Environ Med 2020;62:11-17.
Source
Pmid — 31095409