Diesel exhaust has been suspected to be a lung carcinogen.
The intersplat regions in the coating have been suspected to be the preferential locations for pitting initiation.
It was isolated in Germany and France and has been suspected to be responsible for neurological diseases in humans.
Hydrostatic force applied to tooth pulp has long been suspected to be the direct cause of dental pain.
In recent years, competitive exclusion by alien perennial grasses in its natural habitat has been suspected to be one of the major factors threatening this species.
Nash has long been suspected to be right behind Casey in the firing line, but the official said a better replacement had not yet emerged.
A deviation from the physiological conditions, like e.g. a deficiency of water and salt content, in the cartilage tissue has long been suspected to be a possible trigger for rheumatoid diseases.
Hylocharis leucotis long has been suspected to be most closely related to Hylocharis xantusii (Xantus's Hummingbird) of Baja California (Mayr and Short 1970), which is confirmed by phylogenetic analysis of DNA sequence data (McGuire et al. 2014).
C60 and its derivatives have long been suspected to be present in the universe.
Imbalances in thyroid hormones have long been suspected to be causally related to BD (Iwen et al. 2013).
Finally, IHT have been suspected to be one of the causes of ventilator-associated pneumonia and their occurrence also should be studied [15].
