Tobacco and cancer: recent epidemiological evidence.
The evidence now available shows that tobacco smoke is a multipotent carcinogenic mixture that can cause cancer in many different organs, and exposure to secondhand tobacco Smoke is also carcinogenic for the human lung.
Epidemiology of cancer by tobacco products and the significance of TSNA.
The etiological relationship between tobacco use and oral cancer has provided a comprehensive model for understanding carcinogenesis and fulfills the epidemiological criteria of causality: strength, consistency, temporality, and coherence.
Cancer deaths in India: is the model-based approach valid?
The model-based cancer mortality estimates for India are nearly double the data-based estimates, and are higher than even the incidence estimates, suggesting that the model- based approach to cancer mortality in India is incorrect.
Parasitic fungi on medicinal plants from India II. Some pycnidial and perithecial forms
- P. Gupta
- BiologyMycopathologia et Mycologia Applicata
- 1 October 1974
Four pycnidial and perithecial fungi parasitising on medicinal plants in India, among which four viz.
A mathematical note on radioiodine uptake and excretion for the system of a dynamic organism
- P. Gupta
- Medicine, Biology
- 7 May 2014
The uptake of radioiodine in the thyroid and excretion through urine have been investigated and the index of thyroid activity is given.