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Neonatal death in Northern Ireland.
Scott MJ, McClure G, Reid MM, Ritchie JN, Keilty SR. Scott MJ, et al. Among authors: ritchie jn. Br Med J. 1978 Oct 7;2(6143):987-9. doi: 10.1136/bmj.2.6143.987. Br Med J. 1978. PMID: 709203 Free PMC article.
The teaching of poultry diseases.
Ritchie JN, Appleby EC. Ritchie JN, et al. Br Vet J. 1970 Jan;126(1):12-4. doi: 10.1016/s0007-1935(17)48558-7. Br Vet J. 1970. PMID: 5533997 No abstract available.
Bovine tuberculosis: the end in sight.
RITCHIE JN. RITCHIE JN. R Soc Health J. 1959 Jul-Aug;79:461-9. doi: 10.1177/146642405907900438. R Soc Health J. 1959. PMID: 14437606 No abstract available.
Bovine tuberculosis.
RITCHIE JN. RITCHIE JN. J R Sanit Inst. 1948 Sep;68(5):503-8. J R Sanit Inst. 1948. PMID: 18882247 No abstract available.
14 results