bibliographicCitation |
BRADLEY JE, POWELL AE, NIERMANN W, MCGRADY KR, KAPLAN E. The incidence of abnormal blood levels of lead in a metropolitan pediatric clinic; with observation on the value of coproporphyrinuria as a screening test. J Pediatr. 1956 Jul;49(1):1–6. doi: 10.1016/s0022-3476(56)80049-8. PMID: 13332523. |