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Ball C (Jun 2006). “The early development of intravenous apparatus”. Anaesthesia and Intensive Care34 (Suppl 1): 22–6. doi:10.1177/0310057X0603401S02. PMID16800224.
Leuchtmann, Adrian; Clay, Keith (1988). “Experimental Infection of Host Grasses and Sedges with Atkinsonella hypoxylon and Balansia cyperi (Balansiae, Clavicipitaceae)”. Mycologia80 (3): 291–297. doi:10.2307/3807624. JSTOR3807624.
Elsheikh, HA; Ali, BH; Homeida, AM; Lutfi, AA; Hapke, HJ (May–Jun 1992). “The effects of fascioliasis on the activities of some drug-metabolizing enzymes in desert sheep liver.”. The British Veterinary Journal148 (3): 249–57. doi:10.1016/0007-1935(92)90048-6. PMID1617399.
Korenman, SG (September 1975). “Estrogen receptor assay in human breast cancer.”. Journal of the National Cancer Institute55 (3): 543–5. doi:10.1093/jnci/55.3.543. PMID169381.
Ball C (Jun 2006). “The early development of intravenous apparatus”. Anaesthesia and Intensive Care34 (Suppl 1): 22–6. doi:10.1177/0310057X0603401S02. PMID16800224.