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Scientists as authors seem to reject the convention followed by writers in other fields that the first sentence is important. Why are platitudes preferred?
The development of a cytomorphologic infectivity microbioassay for human immunodeficiency virus (HIV) allows rapid, sensitive, and specific characterization of neutralizing antibodies or antiviral agents.
The study of acquired immune deficiency syndrome (AIDS) crosses the boundaries between immunology, virology and molecular biology. Several products for AIDS research are described below.
