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Biomedical subjects

J N Rao

Publications and source records attributed to J N Rao.

8 recordsLinked to original sources
PubMed1992

Effect of prolactin on accessory sex organs of prepuberal male albino rats: an in vitro study.

The in vitro studies on the effect of hypophysial gonadotropins (PRL, FSH, LH) on the maturation events of accessory sex organs in prepuberal male rats revealed that prolactin (PRL) alone has both direct as well as androgen mediated effect on the maturation activities. The effect of PRL is age dependent and it had higher activation on the gland system than the duct system.

Aging↗
PubMed1992

A simple method for the analysis of clustered binary data.

A simple method for comparing independent groups of clustered binary data with group-specific covariates is proposed. It is based on the concepts of design effect and effective sample size widely used in sample surveys, and assumes no specific models for the intracluster correlations. It can be implemented using any standard computer program for the analysis of independent binary data after a small amount of preprocessing. The method is applied to a variety of problems involving clustered binary data: testing homogeneity of proportions, estimating dose-response models and testing for trend in proportions, and performing the Mantel-Haenszel chi-squared test for independence in a series of 2 x 2 tables and estimating the common odds ratio and its variance. Illustrative applications of the method are also presented.

Animals↗