1.
J Am Vet Med Assoc
; 186(1): 27, 1985 Jan 01.
Article
in English
| MEDLINE
| ID: mdl-3965420
2.
S Afr Med J
; 48(57): 2361-2, 1974 Nov 23.
Article
in English
| MEDLINE
| ID: mdl-4432190
3.
S Afr Med J
; 47(8): 347-8, 1973 Feb 24.
Article
in English
| MEDLINE
| ID: mdl-4692060
Subject(s)
Esophageal Neoplasms/etiology , Nitrosamines/analysis , Plants, Edible/analysis , Trace Elements/analysis , Black or African American , Black People , Boron , Copper , Deficiency Diseases , Esophageal Neoplasms/prevention & control , Female , Fertilizers , Humans , Iron , Male , Molybdenum , Plant Diseases , South Africa , Zinc
4.
Nature
; 222(5199): 1198-9, 1969 Jun 21.
Article
in English
| MEDLINE
| ID: mdl-5788995
5.
J Natl Cancer Inst
; 36(2): 201-9, 1966 Feb.
Article
in English
| MEDLINE
| ID: mdl-5909105