Saranjit Singh is a professor and head of the department of pharmaceutical analysis at the National Institute of Pharmaceutical Education and Research, Sector 67, S.A.S. Nagar 160062, India, tel. 91 172 214682, fax 91 172 214692.
The authors recount the findings of a study that examined the sensitivity of cross-linked gelatin materials to variables such as bloom strength, type, and source.